Seasonal tune-up and full diagnostic on your Carrier, Trane, or Goodman system - readings shown to you before any repair is proposed
Diagnosis first, numbers second - you approve the repair price before a single part goes in.
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Before
AfterHVAC Company in Westminster, TX
Dalton Heating & Air is the HVAC company Westminster homeowners call when a system fails in the middle of a Texas summer and they need someone who will actually show up. Marco Benitez runs our Westminster operation under The Garrison Standard, which has governed how we work since 2003. That means every job in Westminster gets a written price before any work starts, a written guarantee on every repair, and a crew that arrives inside the stated window. Call (361) 306-9515 and a live person answers, day or night – no voicemail queue, no callback roulette.
Why Westminster Homes Are Different
Westminster sits in Collin County, where the summer heat is unrelenting and the winter cold snaps are short but sharp. Homes here vary more than people expect – some are older ranch-style builds from the 1970s and 1980s with original ductwork that was never sealed properly, while others are newer construction with high-efficiency heat pumps and tighter envelopes. That mix changes the work. A 45-year-old furnace in a Westminster home needs a different diagnostic approach than a five-year-old Trane system. We see a lot of older systems that have never had their refrigerant charge checked, and plenty of newer ones where the original install left airflow restrictions. The terrain matters too – Westminster’s flat, open layout means long duct runs in some homes, which puts extra strain on blower motors and makes static pressure readings more important than in tighter, two-story builds. We work around HOA requirements where they apply, and we always check local code requirements before an install or replacement. The heat here is genuinely dangerous in July and August, and a failed AC in Westminster is not an inconvenience – it is a health risk. We treat it that way.
Our Main Westminster Services
Westminster homeowners call Dalton Heating & Air about three things most often: air conditioning that quit during a heat wave, heat pumps that need a proper install, and furnaces that will not fire on a cold morning. Each one has its own Westminster page below with pricing, what to expect, and what the job involves here specifically.
AC Repair in Westminster
When your air conditioner stops cooling in July, you need a diagnosis fast. Our Westminster AC repair work starts with a full system diagnostic – we check the refrigerant charge, electrical connections, capacitor, compressor, and airflow. Most AC repairs in Westminster run $150 – $650 depending on the part, and the price is in writing before we touch anything. A Westminster summer is not the time to wait three days for a callback. We stock common parts on the truck so the first trip is often the only trip. If the repair fails within a full year, we return at no charge. That is the Garrison Standard, and it is not optional. See AC Repair in Westminster for full pricing by repair type.
Heat Pump Installation in Westminster
Westminster’s climate makes a heat pump a practical choice for many homes – it cools in summer and heats in winter, and the milder shoulder seasons are where it really earns its keep. A proper heat pump install starts with a load calculation on your specific home, not a guess based on square footage alone. We size the unit correctly, match the air handler, and check the existing ductwork before we quote. Installations in Westminster typically run $3,500 – $7,500 depending on system size, efficiency tier, and duct modifications, and you get a written fixed price before we order anything. We install Trane, Lennox, Goodman, and Rheem systems, all factory-trained service. See Heat Pump Installation in Westminster for the full breakdown.
Furnace Repair in Westminster
When a furnace fails on a 28-degree Westminster night, the problem is usually the ignitor, flame sensor, gas valve, or control board. We diagnose all of it, show you the failed part, and put the price in writing before replacing anything. Most furnace repairs in Westminster run $150 – $700 depending on the component. If your furnace is over 15 years old and the heat exchanger is cracked, we will tell you straight whether repair makes sense or replacement is the smarter call. No scare tactics, just the facts and a written price either way. See Furnace Repair in Westminster for repair costs by part.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Westminster
Our Westminster technicians are factory-trained to service nine major residential HVAC brands, including Trane, Lennox, Goodman, and Rheem. We stock common parts locally so a Westminster repair does not wait on a warehouse shipment, and we can order specialty components fast when needed. See our brands for the full list and what we service most often.
Pricing for HVAC Company in Westminster, TX
| Service | Typical range in Westminster |
|---|---|
| AC repair – minor electrical (capacitor, contactor) | $150 – $350 |
| AC repair – refrigerant leak or recharge | $250 – $650 |
| AC repair – compressor | $450 – $650 |
| Furnace repair – ignitor or flame sensor | $150 – $350 |
| Furnace repair – gas valve | $300 – $500 |
| Furnace repair – blower motor | $350 – $700 |
| AC installation – full system | $3,500 – $7,500 |
| Heat pump installation – full system | $3,500 – $7,500 |
| Seasonal tune-up (AC or furnace) | $80 – $200 |
What pushes a Westminster job toward the top of these ranges is usually the age of the system and what we find once we open it up – corroded wiring, a refrigerant leak that has been running low for years, or a blower motor that has been working against dirty coils. Whatever the number, it is in writing before we start. No price changes at the door, no surprises on the invoice, and if the repair does not hold for a full year, the return visit is free.
Neighborhoods We Serve in Westminster
We work across Westminster and the surrounding area, including the newer developments and the older established streets where the housing stock predates high-efficiency standards. Our response time for most Westminster calls is same-day for AC and furnace repairs during normal hours, with 24/7 emergency availability when a system fails at the worst possible time.
- Westminster town center and surrounding residential streets
- Newer subdivisions on the north and east sides
- Rural acreage properties west and south of town
- Homes along Highway 121 and FM 2862 corridors
- Anna and Van Alstyne border areas
Service Area – Cities Near Westminster
Dalton Heating & Air serves Westminster and the neighboring communities across Collin and Grayson counties. If you are in Anna, TX, Van Alstyne, TX, Melissa, TX, or McKinney, TX, we handle the same repair, install, and tune-up work under the same Garrison Standard. Dispatch and scheduling are coordinated from our Dallas-Fort Worth office, and our Westminster crews serve the area locally.
Serving Westminster, TX - Our Local Coverage Area
We’re based in the Westminster area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About HVAC Company in Westminster
We offer same-day service for most Westminster AC and furnace repair calls during regular hours, and we have 24/7 emergency availability for total system failures. A live person answers at (361) 306-9515 and gets a technician dispatched – no answering service, no call-back window.
Some Westminster-area HOAs require written notice or architectural approval before an outdoor condenser or heat pump is installed or replaced. We handle the paperwork and check local permit requirements before we start, so the job is done right and the HOA has nothing to flag.
Because it is in writing before we do any work. That is the Garrison Standard, and Dalton Heating & Air has operated under it since 2003. The price on the written quote is the price on the invoice, no exceptions. Call (361) 306-9515 for a free estimate.
What happens when you call
- 1A real person answersNo phone trees - talk to a local hvac pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Westminster Customers Say
"Changed the filter size and added a better filter rack. Simple and useful advice."
- Rhonda C."Honest, direct people. Told me what the furnace needed and nothing more, and the bill matched."
- Eliza S."Coil cleaning and a refrigerant check before summer. AC has never been this cold."
- Marty D.