Providing Affordable HVAC to Lakewood & East Dallas
Lakewood, White Rock, M Streets, Lower Greenville, Casa Linda, Forest Hills, Junius Heights, and surrounding neighborhoods.
HVAC Sizing Guide
Find the right system size for your home in under 2 minutes.
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What type of system are you looking for?
Most Dallas homes use a split system (outdoor condenser + indoor unit). Not sure? That's okay — we'll help.
AC + Gas Furnace
Most common in Dallas
Heat Pump System
All-electric heating & cooling
AC Only
Condenser replacement only
Not Sure
We'll help you figure it out
Tell us about your home
This helps us calculate the right tonnage for your space.
Do you know your current system size?
If you know the tonnage or model number of your existing system, it can help confirm the right size. If not, no problem — we'll calculate it.
Yes, I Know
I know my tonnage or model #
No / Not Sure
Calculate it for me
How to Find Your System Size From the Model Number
Look at the model number on your outdoor unit (not the serial number). The tonnage is usually coded as a two-digit number:
18 = 1.5 Ton
24 = 2 Ton
30 = 2.5 Ton
36 = 3 Ton
42 = 3.5 Ton
48 = 4 Ton
60 = 5 Ton
Recommended System Size
3 Ton
36,000 BTU Cooling Capacity
Your Home Summary
Square Footage
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System Type
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Stories
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Insulation
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Climate Zone
Zone 2 (Dallas / North Texas)
Sizing Reference Chart — Dallas (Zone 2)
| System Size | Square Footage Range | BTU (Cooling) |
|---|---|---|
| 1.5 Ton | 600 – 950 sq ft | 18,000 |
| 2 Ton | 951 – 1,250 sq ft | 24,000 |
| 2.5 Ton | 1,251 – 1,550 sq ft | 30,000 |
| 3 Ton | 1,551 – 1,850 sq ft | 36,000 |
| 3.5 Ton | 1,851 – 2,150 sq ft | 42,000 |
| 4 Ton | 2,151 – 2,500 sq ft | 48,000 |
| 5 Ton | 2,501 – 3,100 sq ft | 60,000 |
This is an estimate based on general sizing guidelines for the Dallas climate zone. Actual sizing may vary based on ductwork condition, sun exposure, and other factors. For a precise recommendation, text us your address and we'll confirm the right system for your home.
Ready to See Pricing?
Now that you know your system size, browse systems or get a custom quote from our team.
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