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ALT Heating & Air provides high-performance indoor climate control solutions for homeowners in Lemon Grove, California, and the surrounding areas. The company specializes in maximizing home comfort and energy efficiency through comprehensive heating, cooling, and ventilation services. By performing detailed heat load calculations, they ensure that every HVAC system is perfectly sized for optimal performance and reduced energy consumption. Their expert team also conducts blower door testing and professional air sealing to minimize drafts and significantly lower utility bills. From routine furnace and air conditioning maintenance to complete system installations, they focus on quality craftsmanship and long-term durability. By improving ventilation and sealing thermal envelopes, this local contractor helps families create healthier, more sustainable indoor environments.