Heating Equipment & HVAC Services
At Johnstone Supply, we specialize in providing high-quality heating equipment and HVAC solutions for residential and commercial properties in El Cajon and the surrounding areas. From furnaces and air conditioning units to ductwork and maintenance services, our team is dedicated to ensuring your indoor environment stays comfortable and efficient.
Our Features & Services
Top-Quality Furnaces
Reliable heating solutions for every home.
Top-Quality Furnaces
Reliable heating solutions for every home.
Efficient AC Units
Cool comfort with low energy consumption.
Professional Ductwork
Optimal airflow and indoor air quality.
Maintenance Services
Keep your HVAC running smoothly year-round.
About Us
Located at 1903 Friendship Dr, El Cajon, CA 92020, Johnstone Supply has been a trusted name in the heating equipment industry for years. Our knowledgeable staff is ready to help you find the best products and services to meet your heating and cooling needs.
Location
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