The best-rated HVAC serving Ukiah, CA, independently researched and ranked on rating, review volume and genuine local reputation.
The best HVAC companies in Ukiah, CA are AC&R Service Heating & Cooling, Reliance Enterprises and All In Heating & Cooling. 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.
AC&R Service Heating & Cooling has looked after Ukiah and the surrounding Mendocino County area since 1960, making it one of the longest-established HVAC firms in the valley. From its South Main Street base the licensed team handles heating and air conditioning repair, replacement and maintenance, heat pumps and ground-mounted solar, and it carries American Standard Diamond Elite and Mitsubishi dealer status. Decades of local trading have earned it a strong, well-regarded reputation with Ukiah homeowners.
Reliance Enterprises is a family-owned firm centrally based in Ukiah that has delivered heating and air conditioning work since the early 1970s. Fully licensed, bonded and insured with HVAC, electrical, plumbing and refrigeration certifications, it covers Mendocino and Lake County from branches in Ukiah, Willits and Lakeport. A long-standing, broadly capable local company with a solid reputation and same-day service wherever possible.
All In Heating & Cooling is a family-oriented HVAC company based just north of Ukiah in Redwood Valley, serving the Ukiah Valley and the wider Mendocino and Lake Counties. The team installs and services air conditioning, heating and ducted or ductless mini-split systems, and holds Mitsubishi Electric Elite Diamond Contractor status. With decades of combined experience it has built a good reputation as a genuinely local, service-focused choice.
The best HVAC companies serving Ukiah, CA are based in and around Ukiah and Redwood Valley. With the West Coast's mild but varied climate 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.
AC&R Service Heating & Cooling currently tops the list, but every business here earns its place the same way: we research each HVAC company genuinely operating near Ukiah, 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. AC&R Service Heating & Cooling | Consistent, top-reviewed service |
| 2. Reliance Enterprises | Fast response and repairs |
| 3. All In Heating & Cooling | Professional workmanship |
Our current top picks are AC&R Service Heating & Cooling, Reliance Enterprises and All In Heating & Cooling. Every business is independently researched and ranked on merit, never paid placement.
We research every HVAC company genuinely operating in and around Ukiah, 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 Ukiah. 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.