The best-rated HVAC serving Duncan, OK, independently researched and ranked on rating, review volume and genuine local reputation.
The best HVAC companies in Duncan, OK are Sellers Air Conditioning, DeHart Air Conditioning, Davis Air Conditioning / Heating, Miller Noble Heating & Air Conditioning and D & R Heating & Air. Each is an independently researched local operator, ranked on reputation, reviews and genuine local presence, and none paid to appear.
One business can feature above the Top 5 on this page, clearly labeled. A great way for a newer or smaller pro to get seen first.
Sellers Air Conditioning is a genuinely Duncan-based heating and cooling company operating from West Camelback Road in town. The team handles residential and commercial installation, maintenance and repair, with particular expertise in geothermal systems alongside conventional HVAC. As a true local operator with a positive review reputation among Duncan residents, it is a natural first call for homeowners who want a hometown company rather than a national chain.
DeHart is a fourth-generation family HVAC company with roots stretching back to 1920, and it runs a full local branch in Duncan on North Highway 81. The team installs, services and repairs air conditioning, heating and geothermal systems, and also offers plumbing, giving homeowners a single accountable source. Its century-long history and consistently strong reviews make it one of the most credentialed heating and air options serving the Duncan area.
Davis Air Conditioning / Heating has served Southwest Oklahoma since 1976 and covers Duncan directly through a dedicated local line. A Carrier Factory Authorized Dealer with NATE-certified technicians and IGSHPA geothermal accreditation, the family-oriented company handles AC and furnace repair, installation, service and indoor air quality. Nearly five decades in business and a strong regional reputation make it a well-qualified, long-standing choice for Duncan homeowners.
Miller Noble is a family owned and operated heating and air company that has served the region since 1994 from its base in nearby Lawton, and it explicitly covers Duncan and the surrounding towns. The team offers residential and commercial HVAC repair, system replacement, maintenance plans, duct cleaning and emergency service. With more than three decades in business and a solid local reputation, it is a dependable option for Duncan homeowners.
D & R Heating & Air is a family-run HVAC company founded by a U.S. Army veteran and based in Lawton, with a service area that squarely includes Duncan, Marlow and Comanche. The team handles air conditioning and furnace repair, installation, mini-split and heat pump work, and emergency service. Known for hiring skilled local technicians and delivering reliable, personable service, it is a well-regarded choice for Duncan-area homeowners who value a smaller, hands-on family firm.
The best HVAC companies serving Duncan, OK are based in and around Duncan and Lawton. With the Southwest's intense heat and dry, dusty conditions to contend with, heating and cooling systems work hard for most of the year, so a proven local pro makes all the difference, and we've done the legwork to surface only the operators worth calling.
Sellers Air Conditioning currently tops the list, but every business here earns its place the same way: we research each HVAC company genuinely operating near Duncan, weigh real customer reviews and ratings from sources like Google and the Better Business Bureau, and rank on merit. No business can pay into this list, the single featured spot above it is the only paid placement, and it's always clearly labeled.
| Business | Best for |
|---|---|
| 1. Sellers Air Conditioning | Consistent, top-reviewed service |
| 2. DeHart Air Conditioning | Fast response and repairs |
| 3. Davis Air Conditioning / Heating | Professional workmanship |
| 4. Miller Noble Heating & Air Conditioning | Dependable service and value |
| 5. D & R Heating & Air | Everyday, all-round jobs |
Our current top picks are Sellers Air Conditioning, DeHart Air Conditioning, Davis Air Conditioning / Heating, Miller Noble Heating & Air Conditioning and D & R Heating & Air. Every business is independently researched and ranked on merit, never paid placement.
We research every HVAC company genuinely operating in and around Duncan, then weigh real customer reviews and ratings from sources like Google and the Better Business Bureau, review volume, and a genuine local track record. No business can pay to appear in the ranked Top 5.
No. The ranked Top 5 is editorial and cannot be bought. The only paid option is the single featured spot above the list, which is always clearly labeled as featured.
Start with the five above, then get written quotes from two or three, read their most recent reviews, and confirm they cover your part of Duncan. A good HVAC company responds promptly, explains the work clearly, and is upfront about pricing.
We rank on independent reputation and reviews, not licensing checks. Requirements vary by state and trade, so always confirm a pro's current license and insurance directly with them before any work begins.
Own the featured spot above this Top 5, clearly labeled. A great way for a newer or smaller pro to get seen first. Early-adopter rate $19/month for your first 6 months, then $39/month.