Expert HVAC Design and Load Calculations

We offer a variety of fast and reliable services, including Manual J, Manual S, Manual D, Radiant design, Rescheck, and Material takeoff.
Whether you’re a contractor or a DIY homeowner we’re here to take care of all your HVAC design needs.

HVAC Design Services

Fast and reliable HVAC design services for contractors and DIY homeowners. We’ve got you covered.

Manual J D S Calculations

Load calculations, Equipment selection, and Duct design for your Residential projects.

Manual J and Manual S

Blockload or Room-by-room Load calculations and Equipment selection tailored to your needs.

Radiant floor heat or Snowmelt design for enhanced comfort and energy efficiency.

Radiant Design

Rescheck

Rescheck - Compliance Certificate, determines if your home or addition meets the IECC energy codes.

Material Takeoff

Material takeoff is a detailed list of materials & their quantity, such as pipes and ducts, pertinent to HVAC systems.

Express Delivery

Are you in a hurry? We offer express delivery for an extra charge. Reach out to ask us about our availability.

ACCA Compliant HVAC Calculations
Servicing all 50 US States

About us

I’m a Master HVACR license holder with over 20 years of experience in the US HVAC industry, 15 years as an HVAC System Designer, and thousands of projects under my belt.

Many engineers know how to design a system on paper, but they often overlook the real-world challenges installers face, which is where my unique background allows me to provide you with the best of both worlds.

I offer various services, including Manual JS, Manual JDS, Radiant design, Rescheck, and Material takeoff.

Whether you’re a contractor or a DIY homeowner, I’m here to help you with all your HVAC design needs.

Are you in a rush?
Ask us about our 24h delivery.

Customer reviews

Discover what our clients think about our service

Bobby is comprehensive and insightful. His response time is extremely timely and keeps you up to date on the entire process. He is flexible, thorough, and a real pleasure to work with. With so many HVAC companies that don’t bother with the manual J/S/D process, Bobby is a diamond in the rough for those that have a passion for things being done the RIGHT way.

<J.Burt>

★★★★★

Super knowledgeable and professional!! Very detail oriented to specific requests!!
Exceeded our expectations by far and delivered EXACTLY what we were asking for!
We would highly recommend Bobby to anyone willing to tackle this type of project on their own!!

<Vincent>

★★★★★

Understanding quality experience and attention to detail. This is a place where you wanna be at he knows what he’s talking about. He’s able to communicate clearly what you need and he’s able to correct it.
A true professional that knows his craft and he knows how to get to work done at a prompt time.

<Major>

★★★★★

Once again, fantastic work and met my slightly more complex request on the order perfectly.
Bobby took extra time to explain details and offer experience on interpreting the results.
If only HVAC contractors would use these services, there’d be a lot less incorrectly sized systems out there.

<Jeco>

★★★★★

Price Quote

Ready to work with us?
Send us your floor plans and we will review them and send you a price quote.