#1 Dennis' Heating & Air Conditioning
Redding · Licensed since 1981
Family-owned Redding heating and air conditioning contractor, in business since 1981, that installs, repairs and maintains systems for homes and commercial buildings.
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#2 Timberline Heating & Air Conditioning
Redding · Licensed since 1988
Redding heating, air conditioning and sheet metal contractor founded in 1985, working on homes and commercial buildings.
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#3 Redding Heating & Air
Redding · Licensed since 2019
Redding heating and air conditioning company started by owner Eric Krzywicki, licensed since 2019, offering repairs, replacements and maintenance for homes.
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Rankings follow our published criteria (see How we rank). License details come from the California Contractors State License Board (CSLB); services, hours and prices from each company's own website. Confirm prices and availability with the company.
About HVAC in Redding
Redding has some of the hottest summers in California, with July afternoons averaging about 99°F at the municipal airport, while January nights average near 37°F, so air conditioning runs for long stretches and heating is still needed in winter. HVAC contractors in California are licensed by the Contractors State License Board (CSLB) under the C-20 Warm-Air Heating, Ventilating and Air-Conditioning classification. Local firms also point to wildfire smoke and dust as a reason to look after filters and indoor air quality, and some still service evaporative coolers. Ranked by license record and years licensed, never by payment. Checked 27 October 2026.