A large two-story house with a spacious front porch, black shutters, a gabled roof, and surrounded by a well-maintained lawn and garden, with trees in the background on a clear day.

Accurate HVAC Design Calculations

If you don’t measure, you're just guessing!

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“There is hardly anything in the world that some Person cannot Design Or Install a little worse and sell a little cheaper, and the people who consider price only are this man's lawful prey.”

The Importance of HVAC Load Calculations

Services

Manual J Load Calculations
from $336.00
Manual J & S Load Calculations
from $672.00
Manual J, S, & D Load Calculations
from $1,050.00

For all estimates exceeding 4,200 square feet, please call (479)383-8625.

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Better Comfort Starts with Better Info

If your home feels too humid, too dusty, or your utility bills are out of control, there could be a hidden problem behind it: an HVAC system that’s not properly sized or installed. At Rightway Performance, we believe education is the first step toward real comfort. In our Resources section, we break down the most common issues homeowners face—and how proper load calculations and duct design can solve them.

What our clients are saying

  • Premier Heating, Air Conditioning, and Duct Cleaning Logo

    Kraig Koren

    PREMIER HEATING, AIR CONDITIONING, AND DUCT CLEANING

    You’ve been doing load calculations for us for over 10 years now, and I can honestly say, you’ve never steered us wrong. Your accuracy is unmatched, and your depth of knowledge when it comes to energy efficiency and system performance is simply the best in the business. It’s rare to find someone with your level of expertise who also brings such reliability, responsiveness, and genuine care to every project.
    Your guidance has helped us design smarter, more efficient systems time and time again. Whether it’s a quick question or a full performance design, you always show up with the right answers and a better way to do things. It’s not just about numbers and formulas—you’ve made our business better, and our customers’ homes more comfortable.

  • Fusion Heat & Air Logo

    Eric Ryan

    FUSION HEAT & AIR

    At Fusion Heat & Air, we hold professionalism in the highest regard when working with clients and partners. Dan Bandimere consistently demonstrates exceptional professionalism, both in our trade and with our clients. His expertise in heat load calculations, equipment performance, and building science is unmatched in our area. Without question, he is one of the best professionals we have ever had the privilege of working with!

  • Gartner Refrigeration logo

    Brad Emerson

    GARTNER REFRIGERATION

    I couldn’t agree more. That’s why I hired you, even though I’m in the HVAC trade. I would’ve chosen anything over a one-and-a-half-ton unit, but when I got your calculations showing it was under one ton, that was pretty sweet.

  • A house under construction with green sheathing and a dark gray roof, surrounded by dirt and trees in the background.

    Bo Millar

    HOME OWNER

    Thank you for assisting us on our journey to an energy-efficient, forever home.

    Not only did you provide clear and accurate efficiency reports, which allowed us to get competitive pricing from different HVAC companies, but you also provided helpful ideas, links, and ways to improve our home’s efficiency.

    To top it off, you were always courteous and respectful.