AirProHQ
Alta Loma, CA · Updated Nov 2026

16 HVAC contractors in Alta Loma: every one with a license we could verify.

AirProHQ lists 16 heating and cooling companies in Alta Loma, CA, every one matched to a license on the CSLB register. These listings come from the license register rather than review sites, so most carry no public rating — a verified license with no reviews is normal here, not a warning sign.

Alta Loma at a glance
License boardCSLB · number on every ad
Licenses renewing within 90 days2
Verify a license on the CSLB lookup

How we check every listing: our full verification methodology.

16Contractors listed
16License-verified · 100%

16 license-verified shown first · distances from the center of the listed offices

Sorted: license status, then name

HVAC contractors in Alta Loma, CA

Where they're based

Where Alta Loma's contractors are based

Counted from the office address on each record. A contractor based near you usually means a shorter response window on a hot afternoon.

All Star Air Conditioning And HeatingHelping Hand ServicesSoco Air Conditioning CompanyDm Mechanical IncIndustrial Refrigeration And ControlsAirqwest Heating & Air ConditioningAt Home Service Solutions IncMark's A / C ServicesSmart Heating & Cooling SolutionsA C Perfections IncLombardo VinceSouth Coast Air ConditioningSolace Plumbing Heating And Air Inc 9170191737
14 of 16 listings have a geocoded office address. Dots are offices, not service areas.License verifiedNot verified24/7
Know the fair price

What HVAC work costs in Alta Loma

National 2026 ranges from our cost guides. Ask any contractor for a written, itemized quote and compare it against them.

JobTypical cost
Diagnostic / service call$75 – $200
Capacitor replacement$100 – $250
Refrigerant recharge$200 – $600
Compressor replacement$1,300 – $2,800
Central air conditioner$3,900 – $7,900
Full HVAC (furnace + AC)$5,000 – $12,500
Sources: AC repair cost guide · HVAC replacement cost guide
Alta Loma FAQ

Hiring an HVAC contractor in Alta Loma

Answers built from Alta Loma's own listing data.

01

How do I check an Alta Loma HVAC contractor's license?

Ask for the license number and search it on the CSLB lookup (official site). 16 of the 16 listings here already match a license on the register; each of those profiles links straight to the lookup.

02

Why do most Alta Loma listings show no reviews?

Our Alta Loma data comes from the CSLB license register, not from review sites, so many licensed one-truck operations have no public review profile. A verified license with no reviews is not a red flag — ask for two recent local references instead.

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