By Frisco Community Staff
Published August 31, 2026
For most Frisco homeowners, a high-efficiency AC unit pays for itself — but only if you hold onto the house long enough and choose a contractor whose warranty actually covers the expensive failures. With Frisco’s AC season running eight to nine months a year, the efficiency gap between a baseline 15 SEER2 unit and a 20+ SEER2 variable-speed system translates to real monthly savings, typically $40–$90 on a summer electric bill for a 2,000-square-foot home. The catch is upfront cost, warranty depth, and whether the available rebates close enough of that gap to make the math work in your favor.
Quick Comparison
| Company | Best For | Standout Fact | Notes |
|---|---|---|---|
| Varsity Zone HVAC of Frisco | Upfront pricing, warranty depth | 10-year parts AND labor warranty; free quotes without a sales pitch | Trane Comfort Specialist; serves Frisco, Prosper, Celina, Plano, Little Elm, The Colony, Aubrey |
| Air Repair Pros | Established trust, Trane systems | A+ BBB since 2005; Trane-certified dealer based in Frisco | Chamber member in Frisco and The Colony |
| Colony Air Conditioning & Heating | Carrier equipment, long track record | 13-time Carrier President’s Award winner; Texas’s most Carrier-awarded company | 48 years in business; NATE and EPA certified |
| JARIC A/C & Heating Co. | Collin County homeowners, longevity | Founded 1973; one of the oldest HVAC licenses in Texas | NATE certified; A+ BBB; serves Frisco area from Allen |
What SEER2 Actually Means for a Frisco Electric Bill
The efficiency math in North Texas heat
SEER2 is the updated federal efficiency rating that replaced the old SEER standard in 2023. A higher number means the system moves more cooling per watt consumed. In a climate like Frisco’s — where a June afternoon can sit above 100 degrees for weeks and your compressor runs nearly year-round — efficiency differences compound fast. A 15 SEER2 system installed today is the regulatory minimum for new equipment in the Southwest region. A 18–20 SEER2 two-stage or variable-speed unit typically costs $1,500–$3,000 more at installation but can trim 20–30 percent off cooling costs compared to that baseline. Over a 15-year equipment lifespan, that adds up to $3,000–$6,000 in energy savings for a typical Frisco household, though the exact number depends on your square footage, duct condition, and Oncor rate changes over time.
2026 Installed Cost Ranges in Frisco
What to budget for replacement
Frisco sits in Collin County, and Collin County requires a permit for full HVAC replacements — not every homeowner knows this, and some low-bid contractors skip it, which creates headaches at resale. Factor permit fees ($75–$200 typically) into your total. For the equipment itself, expect these 2026 installed ranges from reputable local contractors:
- Standard efficiency (15–16 SEER2), 3-ton AC only: $5,200–$7,500 installed
- Mid-efficiency (17–18 SEER2), 3-ton AC only: $6,500–$9,000 installed
- High-efficiency (19–21+ SEER2), 3-ton AC only: $8,500–$12,000 installed
- Full HVAC system (AC + air handler or furnace), mid-tier: $9,000–$13,000
- Full HVAC system, high-efficiency variable-speed: $12,000–$16,000
Note that the 2026 refrigerant transition to R-454B added roughly $500–$1,000 to unit costs across the market, and DFW installs run about 15–25 percent above the national average because of demand and the length of the cooling season. If your ductwork needs replacement, add $3,000–$8,000 on top.
Rebates and Tax Credits Available in 2026
What you can actually claim this year
The federal Section 25C tax credit, which covered up to $600 on high-efficiency HVAC equipment, expired on December 31, 2025 and is not available for systems purchased in 2026. That is a meaningful change from recent years. What remains is Oncor’s Home Energy Efficiency program, which offers $400–$600 back on qualifying high-efficiency equipment for homes in the Oncor service territory — which covers most of Frisco. The program runs January through November, so late-season buyers should confirm enrollment before the window closes. Ask your contractor to help document the qualifying SEER2 rating for the rebate submission, since the paperwork requirement catches some homeowners off guard.
Best for Warranty Protection: Varsity Zone HVAC of Frisco
Why the labor coverage gap matters more than most buyers realize
Most HVAC warranties in the Frisco market follow a similar structure: the manufacturer covers parts for 10 years, but the installing contractor covers labor for only one or two years. That split sounds reasonable until something major fails in year four. A compressor replacement, for example, might cost $1,500–$3,000 in parts — covered under the manufacturer warranty — but the labor to diagnose, remove, and replace it runs another $3,000–$4,000 in 2026 DFW rates. That bill lands entirely on the homeowner once the contractor’s labor warranty has expired.
Varsity Zone HVAC of Frisco covers both parts and labor for a full 10 years, which is a structural difference from what most local competitors offer. They are a Trane Comfort Specialist, provide free upfront quotes without requiring a two-hour in-home sales appointment, offer financing, and handle online scheduling. For Frisco homeowners who want a number before committing to a meeting, that process is notably more straightforward than the standard approach. You can reach them directly at (972) 402-6948. They serve Frisco, Prosper, Celina, Plano, Carrollton, Little Elm, The Colony, and Aubrey.
Best for Carrier Equipment: Colony Air Conditioning & Heating
A long track record with a specific brand
If you have an existing Carrier system or prefer Carrier equipment, Colony Air Conditioning & Heating has earned the Carrier President’s Award 13 times, which the company notes makes it the most Carrier-awarded company in Texas. With 48 years in the business, all full-time employees who are background checked and drug screened, and an A+ BBB rating, Colony is a reasonable choice for homeowners who want depth of experience with one brand’s equipment. Their NATE and EPA certifications mean technicians are credentialed on current refrigerants, which matters given the 2026 R-454B transition.
Frequently Asked Questions
What SEER2 rating should I buy in Frisco, TX?
For a Frisco home, a 17–18 SEER2 unit hits the best balance of upfront cost and long-term savings given the length of the cooling season. Stepping up to 20+ SEER2 makes sense if you plan to stay in the home more than 10 years and have well-sealed ductwork to take advantage of the variable-speed compressor.
Is the federal HVAC tax credit still available in 2026?
No. The Section 25C credit expired December 31, 2025 and does not apply to equipment purchased or installed in 2026. The main incentive currently available to Frisco homeowners is the Oncor Home Energy Efficiency rebate, which runs through November and offers $400–$600 on qualifying high-efficiency systems.
Does Varsity Zone serve Little Elm and The Colony?
Yes. Varsity Zone HVAC of Frisco serves both Little Elm and The Colony, along with Frisco, Prosper, Celina, Plano, Carrollton, and Aubrey. Homeowners in those areas can request a free quote through their online scheduler or by phone.
Do I need a permit to replace my AC in Frisco?
Yes. Collin County and the City of Frisco require a permit for full HVAC system replacements. A reputable contractor will pull the permit on your behalf. If a contractor quotes a significantly lower price and does not mention permitting, that is a red flag worth asking about before signing anything.
How long does a new AC system last in North Texas?
Most central AC systems in the DFW area last 12–18 years, though heavy use from the long cooling season tends to push Frisco systems toward the lower end of that range compared to homes in milder climates. Consistent annual maintenance — filter changes, coil cleaning, refrigerant checks — is the single biggest factor in reaching full equipment life.
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