Geothermal heat pumps in San Diego: do they make sense?
Geothermal is the most efficient heating and cooling technology there is. An honest look at why it rarely pencils out for a typical San Diego home.
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Comparison
Everything we've written about comparison — straight from the technicians who handle these jobs across San Diego County. Pricing, troubleshooting, and what actually works in our climate.
Explainers
Buying guides
Do swamp coolers work in Southern California? Swamp cooler vs AC
Swamp coolers shine in dry East County and the desert but fail near the coast. Here's the cost, comfort, and conversion math for San Diego homes.
Buying guides
Is a two-stage AC worth it in San Diego?
What two-stage AC costs more than single-stage, and whether it pays back in San Diego depends on your ZIP and annual runtime. Honest math.
Buying guides
Variable speed vs single stage AC: what pays back in SD
What variable speed AC costs more than single stage, and whether it pays back in San Diego depends on your ZIP. Honest math by zone.
Buying guides
Heat Pump vs. AC + Furnace in San Diego: Which Actually Makes Sense? (2026)
Heat pumps beat an AC and furnace pair on operating cost in San Diego's mild climate. The federal 25C credit expired for 2026 installs. Here is the math.
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