Heat Load Calculations
For Your Residential Projects
In Texas heat, there’s no room for oversized or undersized systems. Bad load calculations lead to callbacks, poor humidity control, and frustrated customers. At Total Comfort – Heat Load Calculations, we specialize 100% in HVAC design calculations. That means faster turnaround, greater accuracy, and results you can trust.
We don’t install. We don’t sell equipment. We focus on one thing — making sure your system is sized right the first time.
ACCA-Approved – Accuracy You Can Trust
We use ACCA-approved software from Wrightsoft to perform every Manual J, D, and S calculation. This ensures that your HVAC system is sized precisely for your home or business — not guessed, not approximated, and not based on outdated rules of thumb.
Using industry-standard ACCA methodology allows us to:
- Calculate room-by-room heating and cooling loads
- Design ducts and airflow for maximum comfort and efficiency
- Select equipment that matches the exact load, reducing energy waste and system strain
With ACCA-approved calculations, contractors and homeowners can trust that every system will perform optimally year-round, avoiding costly callbacks and ensuring comfort in every room.
The Foundation of Proper HVAC Design
No guesswork. Just precise calculations that protect your installs and your reputation.
MANUAL J
Load Calculation
Determines the exact heating and cooling needs of a home.
We measure every room’s size, orientation, and construction details to ensure the system is sized perfectly — no guesswork, no oversizing, no callbacks.
MANUAL D
Duct Design
Determines the exact airflow pathways for a home’s HVAC system.
We plan each duct and vent based on room load and layout to deliver even temperatures and quiet operation throughout the home.
MANUAL S
Equipment Selection
Matches the right HVAC equipment to the calculated load.
Choosing the correct furnace, AC, or heat pump ensures peak efficiency, reduces energy costs, and avoids unnecessary strain on the system.
Block Load
A block load calculates the HVAC needs for the entire home as a single unit.
It’s typically the minimum performed when replacing a heating or air conditioning system.
Unlike a full Manual J, D, and S, a block load does not provide a room-by-room breakdown or guide proper duct and equipment selection. While it’s faster, it often misses important details that affect comfort, efficiency, and system lifespan.
At Total Comfort, we go beyond block loads to give precise, room-by-room calculations that ensure every system performs optimally — the way it should.
Recent Experiences from Our Clients
Don’t settle for guesswork. Make sure your system is sized correctly the first time. The foundation of every efficient HVAC system starts here — let’s get it done right.
(682) 244-3870
Fort Worth, TX 76180
