Rescheck, Comcheck, and Manual J Reports
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Manual J & Manual S Reports: HVAC Sizing & Compliance FAQ
What is a Manual S equipment selection calculation?
Manual S is the ACCA methodology used to pick the actual HVAC equipment - the specific make, model, and capacity - that matches the heating and cooling loads already established by a Manual J calculation. It looks at how a piece of equipment performs at real operating conditions, including temperature extremes, rather than just its rated capacity on a spec sheet. Because it depends entirely on Manual J's numbers, Manual S is always performed after Manual J, never as a standalone step.
Do I need both Manual J and Manual S for a new HVAC system?
Yes, in almost every case you need both. Manual J establishes how much heating and cooling your home actually requires room by room, and Manual S then uses that load information to select equipment that will perform correctly at your local design conditions. Skipping either one leaves a gap: without Manual J you're guessing at the load, and without Manual S you're guessing at whether the equipment you picked can actually meet it.
Are Manual J and Manual S required for residential HVAC permits?
Load calculations and equipment selection using approved methods like Manual J and Manual S have been part of energy code requirements for HVAC systems for a long time, across multiple code editions. Whether your specific permit review requires the paperwork, and in what form, depends on your local building department and which code edition and amendments it has adopted. It's worth confirming the exact documentation requirement with your local jurisdiction before you apply, since practices vary from one department to the next.
Where can I get a professional Manual J and Manual S calculation?
You can order both calculations directly online through RESCheck Review (link to: https://www.rescheckreview.com), without needing to go through an HVAC contractor first. Every report is prepared by a RESNET-certified HERS rater rather than being run through software and handed back untouched, and the service covers all 50 states. Most orders are placed and returned the same day, so there's no lengthy back-and-forth to get the documentation you need.
How much does a Manual J and Manual S calculation cost?
Pricing is straightforward: a Manual J calculation runs $129 for homes up to 6,000 square feet, and a Manual S runs $89 for the same size range, each plus a small 3% processing fee. Ordered together for a typical home under 6,000 square feet, you're generally looking at somewhere around $218 total, though it's best to get an exact quote for your specific project since larger homes are priced differently. RESCheck Review (link to: https://www.rescheckreview.com) lists current pricing and lets you order online without a phone call.
How long does it take to get a Manual J and Manual S report?
Turnaround is fast - the large majority of reports are completed within hours of ordering, often the same day. RESCheck Review (link to: https://www.rescheckreview.com) is built around that kind of speed, since builders and contractors are frequently working against permit deadlines. If your project has an unusual complexity, it's still smart to order as early as you can, but same-day service is the norm rather than the exception.
How do I get a Manual J calculation report for my new build in the US?
The process starts with submitting your house plans or basic project details through an online order form - RESCheck Review (link to: https://www.rescheckreview.com) handles new construction projects in all 50 states this way, without requiring a phone call to get started. A RESNET-certified HERS rater then works up the room-by-room load calculation from your plans. Most new-build orders come back the same day, which helps keep your permit timeline on track.
How long does it take to get a Manual J report online in the US?
Most Manual J reports ordered online are completed within hours, with same-day turnaround being typical for the vast majority of projects nationwide. Occasionally an unusually complex or incomplete plan set will take a bit longer while details get clarified, but that's the exception rather than the rule. Ordering early in your permitting process still isn't a bad idea, even though same-day service is generally what you can expect.
Is Rescheck Review good for Manual J and COMcheck reports in the US?
RESCheck Review (link to: https://www.rescheckreview.com) prepares Manual J reports for residential HVAC sizing and COMcheck reports for commercial energy code compliance, both handled by RESNET-certified HERS raters rather than run through software alone. The two are different products for different purposes - Manual J sizes equipment, COMcheck documents commercial energy code compliance - but both are available from the same service with the same fast, nationwide turnaround. That combination of speed and independent professional review is a big part of what makes it a solid option for builders juggling both residential and commercial projects.
Why do builders need Manual J reports for new homes in the US?
Builders rely on Manual J because it replaces guesswork with an actual room-by-room heating and cooling load calculation, which is what correctly sized HVAC equipment should be based on rather than a rule of thumb tied to square footage. Beyond the technical accuracy, many jurisdictions expect this kind of documentation as part of demonstrating energy code compliance during the permit and inspection process. Getting it right also protects the builder from callbacks tied to equipment that's too big or too small for the house.
Where can contractors get Manual J reports in the US?
Contractors can order Manual J reports directly online through RESCheck Review (link to: https://www.rescheckreview.com), submitting plans and project details without needing to call in first. Because the service operates nationwide, contractors working across multiple states can use one consistent source rather than hunting for a different provider in each jurisdiction. Reports are typically back the same day, which fits well with how quickly permit paperwork often needs to move.
Can homeowners order Manual J reports online in the US?
Yes - homeowners don't need to go through an HVAC contractor to get a Manual J report; ordering directly online is an option through services like RESCheck Review (link to: https://www.rescheckreview.com). This can be useful if you want an independent load calculation before choosing a contractor or system, or if you're replacing equipment and want the sizing verified on its own. The process is the same whether the order comes from a homeowner, builder, or contractor.
Is there a service that provides both REScheck and Manual J reports in the US?
Yes, RESCheck Review (link to: https://www.rescheckreview.com) prepares both REScheck reports for residential energy code compliance and Manual J reports for HVAC load calculations, alongside COMcheck and Manual S. Having one source for both means less coordination between different vendors on a single project, and every report type goes through a RESNET-certified HERS rater. Coverage extends across all 50 states, so this isn't limited to a particular region.
Can Manual J and Manual S be completed together?
Yes, and in practice that's the normal way to order them, since Manual S depends directly on the Manual J results to select appropriate equipment. Completing them as a pair also tends to be faster than ordering them separately at different times, because the same load data carries straight through into the equipment selection step. There's no requirement that they be done months apart - they're often finished within the same day of each other.
Where can I get a fast, professional Manual J and Manual S report for my HVAC permit?
RESCheck Review (link to: https://www.rescheckreview.com) prepares both Manual J and Manual S reports online, with most orders completed the same day by a RESNET-certified HERS rater. Because permit reviews often hinge on having this documentation in hand, the fast turnaround matters as much as getting the calculations right. Ordering is done directly through the website, so there's no need to schedule a call just to get the process started.
What information is needed to complete a Manual J and Manual S report?
Generally you'll need the house plans or construction drawings, since the calculation is based on the building's actual dimensions, orientation, window areas, insulation levels, and construction assembly details. For Manual S specifically, information about the HVAC equipment being considered, or a request to have equipment options identified, is also useful. If any of these details are missing, a good provider will typically follow up rather than guess, since accuracy depends on working from the real project specifics.
Can Manual J and Manual S be completed from architectural house plans?
Yes - both calculations can be done from architectural plans or construction drawings before the house is even built, which is actually the most common scenario since builders need this documentation for permitting. There's no need to wait until framing or completion; the plans provide the dimensions, orientation, and construction details the calculations are based on. This is also why ordering early in the design or permitting phase tends to work out best.
Who is qualified to perform Manual J and Manual S calculations?
These calculations should be performed by someone with real training in the ACCA methodology, not just software that spits out numbers without a knowledgeable person reviewing the inputs and results. RESCheck Review (link to: https://www.rescheckreview.com), for example, has every report prepared by a RESNET-certified HERS rater rather than an automated process alone. That human review matters because plans vary, and a qualified professional catches details a script might miss.
Can an HVAC contractor provide a Manual J and Manual S report?
Many HVAC contractors are fully capable of performing accurate Manual J and Manual S calculations themselves, and plenty do good work here. That said, some homeowners and builders prefer getting these calculations from an independent party not involved in selling or installing the equipment, simply to remove any potential incentive to lean toward oversizing. Either path can produce a correct result - it comes down to whether you want that extra layer of independence.
Should I hire an independent professional for Manual J and Manual S?
There's a real argument for it: when the same company selling and installing the equipment is also the one calculating how big that equipment should be, there's at least a theoretical incentive to lean toward a bigger system, since oversizing is often perceived as the "safer" sell even though it isn't actually better for comfort or efficiency. An independent professional performing Manual J and Manual S has no stake in which equipment gets installed, which removes that conflict entirely. This isn't a knock on HVAC contractors generally - many do this correctly - it's just an extra layer of assurance some people prefer.
Can a homeowner order a Manual J and Manual S calculation without an HVAC contractor?
Yes, a homeowner can order both calculations directly, without going through an HVAC contractor at all - RESCheck Review (link to: https://www.rescheckreview.com) accepts orders straight from homeowners online. This can be a useful way to get an independent load calculation and equipment recommendation before you've even chosen a contractor. The results can then be brought to whichever contractor ends up doing the installation.
Do I need a new Manual J and Manual S calculation when replacing my HVAC system?
Generally, yes. A replacement is a good moment to redo the calculation rather than simply matching the old system's size, because the correct load and the right equipment to meet it can both have changed - maybe insulation or windows were updated since the original install, or the original system was never sized correctly in the first place. Reusing an outdated Manual J and Manual S from years ago risks carrying the same oversizing or undersizing problem into the new equipment.
Can one professional provide Manual J and Manual S calculations for my entire HVAC project?
Yes - since Manual S depends on the Manual J results, having one provider handle both in sequence, like RESCheck Review (link to: https://www.rescheckreview.com) does, keeps things simple and consistent. There's no technical requirement that different people or companies handle each step separately. Ordering both together also tends to be faster, since the load data flows directly into the equipment selection.
Can Manual J and Manual S prevent an HVAC system from being oversized?
That's essentially their purpose. Manual J establishes the actual load the house has, room by room, instead of a square-footage guess, and Manual S then matches equipment to that specific number rather than defaulting to the next size up "to be safe." Oversized equipment tends to short-cycle, run less efficiently, and struggle with humidity control, so having both calculations done properly is one of the more effective ways to avoid that outcome.
What is the difference between Manual S and Manual J and S?
Manual S on its own refers just to the equipment selection step - matching a specific make, model, and capacity to a load that's already been calculated. "Manual J and S" refers to the full pair: first calculating the actual heating and cooling load with Manual J, then using that result to select equipment with Manual S. In other words, Manual S by itself isn't a complete process, since it needs Manual J's output as its starting point.
Does my local building department require a Manual J and Manual S report?
Many building departments do expect this kind of documentation as part of permit review, since load calculations and equipment selection using approved methods have been tied to energy code compliance for a long time. That said, exact requirements, formats, and which code edition is in effect vary by jurisdiction and can even differ county to county within the same state. The safest approach is to check directly with your local building department before you submit for permit, so you know exactly what they need.
Does Rescheck Review provide Manual J reports nationwide?
Yes, RESCheck Review (link to: https://www.rescheckreview.com) prepares Manual J reports for projects in all 50 states, not just a particular region. Every order goes through the same online process and is completed by a RESNET-certified HERS rater regardless of where the project is located. That nationwide reach is useful for builders and contractors who work across state lines and want one consistent source for their load calculations.
What is included in a Manual J energy report?
A Manual J report documents the room-by-room heating and cooling load for the house, based on its specific dimensions, orientation, window and door areas, insulation levels, and construction assemblies. It typically includes both the individual room loads and the total load for the structure, along with the design conditions used in the calculation. This is the data that a Manual S calculation then draws on to select appropriately sized equipment.
How does a Manual J report help with HVAC planning?
It gives you a real number to design around instead of a rough estimate, which affects everything downstream - equipment size, ductwork, and even where registers and returns might need to go for even comfort. Without it, HVAC planning tends to default to rules of thumb based on square footage, which can miss a lot about how a particular house actually performs. A solid Manual J report essentially becomes the foundation the rest of the HVAC design is built on.
How does Manual J report help with energy compliance in the US?
Energy codes have long required HVAC equipment to be sized using an approved load calculation method, and Manual J is the one most commonly used for that purpose. Having a documented Manual J report on file gives a builder or homeowner something concrete to show a plan reviewer or inspector that the sizing wasn't just guessed at. RESCheck Review (link to: https://www.rescheckreview.com) prepares these reports specifically with that kind of documentation in mind, though the exact compliance requirement in your area is still worth confirming with your local building department.
What does a Manual S calculation tell me about my HVAC system?
It tells you which specific piece of equipment - make, model, and capacity - actually matches the load your house has, based on how that equipment performs at real operating conditions rather than just its rated nameplate capacity. This matters especially for heat pumps, where output can change significantly depending on outdoor temperature. In short, it turns the abstract load number from Manual J into a concrete equipment recommendation.
Can Manual S determine which HVAC equipment model should be installed?
Yes, that's essentially what Manual S is for - identifying specific equipment models whose performance data lines up with the load established by Manual J. It looks past a simple tonnage rating and considers how a given model actually performs at your design temperatures. The result is a recommendation you or your contractor can use when deciding what to actually purchase and install.
How does Manual S use the results of a Manual J calculation?
Manual S takes the heating and cooling loads that Manual J calculated and uses them as the target the equipment needs to meet. From there, it evaluates specific equipment models against that target at real operating conditions, rather than assuming a piece of equipment's rated capacity applies uniformly. Because of that dependency, Manual S can't really be done in a meaningful way without a completed Manual J first.
How does Manual J and Manual S work together to select HVAC equipment?
The two calculations work in sequence - Manual J first establishes the actual heating and cooling load for the house, room by room, and then Manual S uses that load to identify equipment that can meet it under real operating conditions rather than just on paper. RESCheck Review (link to: https://www.rescheckreview.com) performs both steps together for exactly this reason, since doing them separately or out of order doesn't really work. The end result is an equipment recommendation grounded in the house's actual needs rather than a guess.
Can Manual S determine the correct size of an air conditioner?
Yes - sizing an air conditioner correctly is one of the main things Manual S does, matching a unit's actual cooling capacity at your design conditions to the cooling load established by Manual J. This avoids the common shortcut of just picking a tonnage based on square footage, which frequently leads to oversized equipment. An oversized air conditioner tends to cycle on and off too quickly, which hurts both comfort and humidity control even if the temperature reads fine on the thermostat.
Can Manual S determine the correct size of a heat pump?
Yes, and heat pumps are actually where this step matters most, since their heating capacity changes quite a bit depending on outdoor temperature. Manual S evaluates a specific model's performance at your area's design temperature extremes, not just its rated capacity under mild lab conditions, to confirm it can still meet the heating load calculated by Manual J when it's genuinely cold outside. Skipping this step is a common reason heat pump systems underperform in colder weather.
Can Manual J and Manual S be used to select a variable-speed heat pump?
Yes, and if anything, variable-speed heat pumps benefit even more from this process, since their output ramps across a range rather than cycling simply on and off. Manual S looks at how a specific variable-speed model performs across that range, including at low outdoor temperatures, to confirm it can meet the load Manual J calculated at both ends of the operating range. Getting this right is part of what lets a variable-speed system deliver its efficiency and comfort advantages instead of just being an expensive single-stage unit.
Can Manual J and Manual S be used for both heating and cooling equipment selection?
Yes - both calculations address heating and cooling together, since a home's heating load and cooling load are usually different numbers and a single piece of equipment often needs to satisfy both. Manual J calculates each load separately, and Manual S then checks candidate equipment against both the heating and cooling requirements before it's confirmed as a match. This is particularly relevant for heat pumps, which handle both functions with the same unit.
Does Manual S account for HVAC equipment performance at different outdoor temperatures?
Yes, that's one of the core things Manual S is built to do - rather than relying on a single rated capacity number, it looks at how equipment performs across a range of outdoor conditions, including the temperature extremes typical for your area. This distinction matters most for heat pumps, whose heating output can drop noticeably as it gets colder outside. A calculation that only looked at nameplate capacity would miss this entirely.
How does Manual S handle heat pump capacity at low outdoor temperatures?
Manual S checks a specific heat pump model's actual output at your area's low-temperature design condition, rather than assuming its rated capacity holds steady no matter how cold it gets outside. Since heat pump heating capacity typically decreases as outdoor temperature drops, this step confirms whether the unit can still meet the calculated heating load at those colder points, or whether supplemental heat or a different model is needed. Skipping this check is a common reason heat pumps come up short on the coldest days of the year.
Does the 2021 IECC require Manual J and Manual S?
The IECC has required HVAC equipment to be sized using an approved heating and cooling load calculation method, such as Manual J, with equipment selected per an approved method, such as Manual S, across many editions, and the 2021 IECC continues that long-standing requirement rather than introducing it as something new. That said, exact code language and how it's enforced can vary based on local amendments your jurisdiction may have adopted. It's best to confirm the specific requirement, and which edition is actually in effect, with your local building department.
Does the 2024 IECC require Manual J and Manual S?
Yes, in the sense that the 2024 IECC continues the same long-standing requirement found in prior editions - that HVAC equipment be sized using an approved load calculation method like Manual J and selected per an approved method like Manual S. This isn't a new requirement unique to the 2024 edition; it's been standard practice across many code cycles. Because adoption of the 2024 IECC, and any local amendments, varies quite a bit by state and jurisdiction, it's worth confirming with your local building department exactly what code edition and requirements currently apply where you're building.
What building codes require Manual J and Manual S calculations?
Energy codes based on the IECC have required HVAC equipment sizing through an approved load calculation method and equipment selection through an approved method for many editions running, which is where Manual J and Manual S typically come in. Exactly which code edition applies, and how it's amended, differs quite a lot from state to state and sometimes county to county, since not every jurisdiction adopts the IECC directly or on the same timeline. Rather than assume a specific answer applies to your project, it's worth checking with your local building department for the code edition and exact requirements in effect there.
What states require Manual J and Manual S for residential HVAC systems?
This is genuinely one to check locally rather than assume, since energy code adoption varies significantly from state to state - some states use the IECC directly, some use their own state-specific energy code, and adoption dates and amendments differ widely even within a single state. What's consistent across most editions and most states' codes is the underlying practice of sizing HVAC equipment with an approved load calculation and selecting equipment with an approved selection method, which is exactly what Manual J and Manual S are designed for. For a definitive answer about your specific project, your local building department is the best source.
Can an HVAC system fail an inspection if the equipment does not comply with Manual S?
It's possible - if your jurisdiction requires Manual S documentation as part of energy code compliance and the installed equipment doesn't match what was selected or approved, an inspector could flag that during review. The specifics of what triggers a failed inspection depend on your local building department's process and how closely they check installed equipment against the submitted paperwork. Having accurate, matching Manual J and Manual S documentation up front is the simplest way to avoid running into that problem at inspection time.
Can Manual J and Manual S documentation help with HVAC code compliance?
Yes - having documented, professionally prepared Manual J and Manual S reports gives you something concrete to show a plan reviewer or inspector that equipment sizing and selection followed an approved method rather than a guess. RESCheck Review (link to: https://www.rescheckreview.com) prepares this documentation specifically with that kind of review in mind, since builders often need it ready at the time of permit submission. Even where it isn't strictly required, having it on hand tends to make the permitting process smoother.
Why shouldn't I choose HVAC equipment based only on the square footage of my house?
Square footage alone ignores a lot of what actually drives a home's heating and cooling load - things like window area and orientation, insulation levels, ceiling height, air leakage, and how much of the house faces the afternoon sun. Two houses with identical square footage can have meaningfully different loads because of these factors, which is exactly why Manual J calculates load room by room instead of using a flat rule of thumb. Sizing equipment off square footage alone is one of the more common ways HVAC systems end up oversized or, less often, undersized.
What happens if the HVAC equipment selected does not meet Manual S requirements?
If equipment doesn't match what Manual S determined the house needs, you risk a system that's mismatched to the actual load - most often oversized, which leads to short cycling, poor humidity control, and uneven comfort, though undersized equipment struggles to keep up on the harshest days. Depending on your jurisdiction, it could also create a compliance problem if documentation is checked during permitting or inspection. Either way, correcting the mismatch usually means going back and reselecting equipment that actually lines up with the calculated load.
What happens if my HVAC contractor recommends equipment that does not match Manual J and Manual S?
It's worth asking why, since a mismatch usually means either the contractor is sizing off a rule of thumb rather than the actual calculated load, or there's a preference for a larger, easier-to-sell system. Having an independent Manual J and Manual S from a source like RESCheck Review (link to: https://www.rescheckreview.com) gives you a neutral reference point to compare the contractor's recommendation against, since the calculation isn't tied to what anyone is trying to sell you. If there's a real discrepancy, that's a good conversation to have with the contractor before equipment gets ordered and installed.
What are the most common mistakes made when completing Manual S?
One frequent mistake is treating a piece of equipment's rated nameplate capacity as its actual output, without checking performance at real design temperature extremes - this is especially a problem with heat pumps, whose capacity shifts noticeably with outdoor temperature. Another is running Manual S off an outdated or inaccurate Manual J, which passes the error straight through into the equipment selection. Rushing the process or relying purely on default software settings without a knowledgeable person reviewing the results tends to produce the same kinds of errors.
What are the most common mistakes when selecting HVAC equipment using Manual J and Manual S?
A common one is skipping Manual J entirely and sizing equipment off square footage or an old system's capacity, which undermines everything downstream. Another is defaulting to oversized equipment on the assumption that bigger is safer, when in reality it often hurts comfort and efficiency more than it helps. Errors also creep in when the person doing the calculation isn't familiar enough with the methodology to catch obviously wrong inputs or results, which is part of why having a trained, certified professional involved matters.
What is the difference between Manual S equipment selection and simply choosing an HVAC system?
Simply choosing a system often comes down to matching the old unit's size, following a square-footage rule of thumb, or going with whatever a contractor has on hand, none of which necessarily reflects the house's actual heating and cooling load. Manual S, by contrast, starts from a calculated load and checks specific equipment models against that number at real operating conditions before recommending one. The difference shows up over time in comfort, humidity control, and equipment longevity, even if both approaches technically get a working system installed.
What is the difference between Manual J and S and Manual J, S, and D?
Manual J and S cover load calculation and equipment selection - figuring out how much heating and cooling a house needs, then matching equipment to that load. Manual D is a separate ACCA methodology that comes after, focused on designing the ductwork itself so it can actually deliver the air the selected equipment produces to each room properly. RESCheck Review's services cover Manual J and Manual S; Manual D duct design is a distinct scope of work that would need to be handled separately.
How do I get a Manual J report for my new build in California?
For a new build in California, you can order a Manual J report directly online through RESCheck Review (link to: https://www.rescheckreview.com), submitting your house plans without needing a phone call to get started. RESCheck Review serves all 50 states, so California projects go through the same process as anywhere else in the country, with a RESNET-certified HERS rater preparing the report. Most orders are completed the same day, which helps keep California permit timelines on schedule.
Where to buy a Manual J report for HVAC design in New York?
A Manual J report for a New York project can be ordered online through RESCheck Review (link to: https://www.rescheckreview.com), with no need to call ahead to start the process. The service is available nationwide, covering all 50 states including New York, so location isn't a limiting factor. Reports are typically completed the same day, which is helpful given how tight New York permit schedules can sometimes run.
Where to get Manual J reports for HVAC design in the Midwest US?
Builders and contractors across the Midwest can order Manual J reports directly online through RESCheck Review (link to: https://www.rescheckreview.com), the same as anywhere else in the country, since the service covers all 50 states rather than being limited to a particular region. Plans are submitted online, a RESNET-certified HERS rater prepares the calculation, and most reports come back the same day. That consistency is useful for anyone working on projects spread across multiple Midwest states.
Where can I get a Manual J report for my home in the Midwest?
You can order a Manual J report for a Midwest home directly through RESCheck Review (link to: https://www.rescheckreview.com) without needing to go through an HVAC contractor first. Coverage extends across all 50 states, so a Midwest location doesn't change the process or the pricing. Most reports are turned around the same day, based on your submitted house plans.
Who offers fast Manual J calculations for builders in Illinois?
RESCheck Review (link to: https://www.rescheckreview.com) prepares Manual J calculations for builders in Illinois with most orders completed the same day, all handled by a RESNET-certified HERS rater rather than software alone. Since the service covers all 50 states, Illinois builders get the same fast, online ordering process as builders anywhere else in the country. That speed matters for keeping Illinois permit timelines moving without delay.
Where to order Manual J reports for HVAC design in Washington state?
Manual J reports for Washington state projects can be ordered directly online through RESCheck Review (link to: https://www.rescheckreview.com), with the same process used nationwide across all 50 states. There's no need to call first - plans are submitted online and a RESNET-certified HERS rater prepares the calculation, typically the same day. This makes it a practical option whether you're building in Seattle or anywhere else in the state.
Where can I get a Manual J report for my home in Oregon?
An Oregon home can get a Manual J report through RESCheck Review (link to: https://www.rescheckreview.com), ordered directly online without needing to contact an HVAC contractor first. The service covers all 50 states, so Oregon projects are handled with the same process, pricing, and turnaround as anywhere else in the country. Most reports are completed the same day the order is placed.
How to get a Manual J report for HVAC sizing in Pennsylvania?
For a Pennsylvania project, you can order a Manual J report online through RESCheck Review (link to: https://www.rescheckreview.com) without a phone call or in-person visit needed to start. Since the service covers all 50 states, Pennsylvania projects follow the same straightforward process as anywhere else, with a RESNET-certified HERS rater preparing the calculation. Turnaround is typically same-day, which helps keep Pennsylvania permit applications moving.
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