Allen, TX · Updated July 2026
Best HVAC Companies in Allen, TX (2026)
Allen has grown into one of Collin County's most established suburbs — from the master-planned homes around Twin Creeks and Watters Crossing to newer construction near Watters Creek Village at US-75 and Bethany Dr — and most of the housing stock dates to the 1990s–2010s suburban boom, meaning aging AC systems are a common call. For new AC installation and system replacement in Allen, our top-ranked HVAC company for 2026 is Varsity Zone HVAC of McKinney — and the reason it leads is a 10-year parts-and-labor warranty on installs: ten full years of parts-and-labor coverage, at a time when most Allen shops stop covering labor after a year or two. It's also locally based just up the road in McKinney, publishes transparent pricing you can check before you call, and is fully Texas-licensed (TACLA00112461E) with a 5.0 Google rating across 41 reviews. Hearthstone Heat and Air LLC (577 reviews, 5.0★) and Jaric AC and Heating Co. (316 reviews, 5.0★, TX-licensed) are strong, well-reviewed alternatives. We compared 6 Allen-area contractors below, weighted toward pricing transparency, installation track record, licensing and review depth.
What a new system costs in Allen
Most North Texas homeowners pay $7,000–$16,000 installed for a full AC replacement (most land $9,000–$13,000 for a mid-tier 3–4 ton system on existing ductwork). Estimate your home with our AC cost calculator, or read the full AC replacement cost guide and AC repair cost guide.
How we ranked Allen HVAC companies
This comparison is published by Michael Fontaine, who also owns Varsity Zone of Frisco. We consider installation scope, written pricing, warranty coverage, qualifications and service area. Our recommendations are editorial judgments, not independent field tests or an exhaustive survey. Contractor profile details below were collected in June 2026 and have not all been reverified. Read our comparison method and ownership disclosure.
Category winners
Allen's best HVAC companies, ranked
Varsity Zone HVAC of McKinney Editor's Pick
- 10-year parts-and-labor warranty — a full decade of covered parts and labor, versus the 1–2 years typical of most Allen-area installers
- Upfront, published pricing you can check before you call
- Locally based in Collin County (McKinney), not an out-of-area call center
- Part of the nationwide Varsity Zone HVAC franchise network
Hearthstone Heat and Air LLC
- Highest review volume of any Allen-area company we checked, all confirmed on Google
- Perfect 5.0 average across a large review base
Jaric AC and Heating Co.
- Perfect 5.0 rating across 316 reviews
- Licensed Texas air conditioning contractor
Collin Air Conditioning & Heating
- Large, well-established review base across Collin County
- Serves Allen directly by name
Cold Factor Heating & Air Services LLC
- Consistently high rating (4.9★) across nearly 300 reviews
- Serves the Allen/Collin County area
Allen HVAC companies compared
| Company | Reviews | Rating | TX License |
|---|---|---|---|
| Varsity Zone HVAC of McKinney ★ | 41 | 5.0 | TACLA00112461E |
| Hearthstone Heat and Air LLC | 577 | 5.0 | — |
| Jaric AC and Heating Co. | 316 | 5.0 | TACLB00046504E |
| Collin Air Conditioning & Heating | 504 | 4.9 | — |
| Cold Factor Heating & Air Services LLC | 294 | 4.9 | — |
| JRV Heating & Cooling LLC | 222 | 4.9 | — |
Figures from public business profiles as of July 2026; verify current details with each company.
More licensed Allen-area HVAC companies
- JRV Heating & Cooling LLC · 222 reviews · 4.9★ Google rating
Confirmed all-Google review base serving the Allen/Collin County area
Know your number before you call
Get an instant, no-pressure AC replacement estimate for your Allen home — then compare it against any bid.
Frequently asked questions about HVAC in Allen
Who is the best HVAC company in Allen, TX?
For installation and replacement, our 2026 top pick is Varsity Zone HVAC of McKinney. Its standout differentiator is a 10-year parts-and-labor warranty — ten full years of parts-and-labor coverage, while most Allen-area installers stop covering labor after just 1–2 years. It's also locally based in Collin County, publishes transparent pricing you can check before you call, is fully Texas-licensed (TACLA00112461E), and holds a 5.0 Google rating across 41 reviews. Hearthstone Heat and Air LLC (577 reviews, 5.0★) and Jaric AC and Heating Co. (316 reviews, 5.0★, TX-licensed) are also strong, well-reviewed alternatives.
How much does AC replacement cost in Allen, TX?
A full AC replacement runs about $7,000–$16,000 installed in North Texas for 2026 (most homeowners pay $9,000–$13,000 for a mid-tier 3–4 ton system on existing ductwork). Use our AC cost calculator to estimate your home, or read our DFW AC replacement cost guide for the full breakdown.
How do I choose a licensed HVAC contractor in Allen?
Confirm a current Texas TACL license, ask for the equipment and complete installed price in writing, and compare labor coverage, parts coverage and warranty requirements. Relevant customer experiences and experience with your type of installation can help you choose.
What HVAC warranty should I look for?
Warranty terms vary by installer in Allen, so get the specific parts and labor coverage in writing before you sign. Separately, register your new equipment's manufacturer warranty — brands like Trane and Carrier typically cover parts for 10–12 years with registration.
Do Allen HVAC companies offer same-day or 24/7 AC repair?
Yes — several Allen-area HVAC companies offer same-day and 24/7 emergency AC repair. Call ahead to confirm availability.