One Hour Heat & AC Frisco

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One Hour Heat & AC Frisco One Hour Heating & Air Conditioning is the nation's premier HVAC service company. Call us today for an appointment!

Our service is known for its 100% satisfaction guarantee and an On-Time Guarantee that promises we'll be on time for every appointment.

Guy Cummins completed a warranty recall inspection in McKinney and diagnosed a failed furnace control board that left th...
10/12/2026

Guy Cummins completed a warranty recall inspection in McKinney and diagnosed a failed furnace control board that left the heating system inoperable. He confirmed that furnace replacement was necessary under the applicable warranty recall, helping restore dependable heating, improve system reliability, and maintain home comfort once the replacement is completed. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Guy Cummins performed a commercial rooftop HVAC unit diagnostic in Denton and confirmed compressor failure requiring rep...
10/12/2026

Guy Cummins performed a commercial rooftop HVAC unit diagnostic in Denton and confirmed compressor failure requiring replacement. He provided a repair estimate for review, helping the customer understand the necessary commercial HVAC repair to restore cooling performance, improve equipment reliability, and support uninterrupted building comfort once approved. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Ali Avesta diagnosed a recurring refrigerant leak in the outdoor condenser coil in Plano, following an unsuccessful repa...
10/12/2026

Ali Avesta diagnosed a recurring refrigerant leak in the outdoor condenser coil in Plano, following an unsuccessful repair performed by another company the previous year. He recommended condenser coil replacement as a more reliable long-term solution and advised the customer to verify existing repair warranty coverage before proceeding, helping support effective cooling and dependable HVAC performance. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Guy Cummins completed an HVAC warranty recall in Frisco after an electrical incident caused the outdoor condenser breake...
10/12/2026

Guy Cummins completed an HVAC warranty recall in Frisco after an electrical incident caused the outdoor condenser breaker to trip. He reset the breaker, tested the condenser, and confirmed that the system resumed normal operation, restoring reliable cooling and verifying that no additional HVAC issues were present during the visit. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Freddie serviced multiple HVAC systems in Plano, clearing clogged PVC drain lines that caused minor ceiling leaks and id...
10/12/2026

Freddie serviced multiple HVAC systems in Plano, clearing clogged PVC drain lines that caused minor ceiling leaks and identifying improperly combined condensate and water heater drainage. He planned corrective drain line rerouting and emergency float switch installation to help prevent future water damage, improve condensate drainage, and protect the home’s HVAC systems through preventive maintenance. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Freddie restored cooling to the upstairs HVAC system in Frisco by replacing a failed capacitor and diagnosing low refrig...
10/12/2026

Freddie restored cooling to the upstairs HVAC system in Frisco by replacing a failed capacitor and diagnosing low refrigerant levels indicating a potential leak in the older Lennox system. He explained the recommended evaporator coil repair and warranty verification process, helping the customer understand the next steps toward resolving the refrigerant issue and maintaining reliable home comfort. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Guy Cummins investigated a persistent indoor odor in Frisco and discovered a displaced furnace, evaporator coil, and sup...
10/12/2026

Guy Cummins investigated a persistent indoor odor in Frisco and discovered a displaced furnace, evaporator coil, and supply plenum, with moisture-damaged insulation contributing to the problem. He recommended supply plenum replacement, proper HVAC equipment leveling and securing, and ductwork inspection to address moisture issues, improve indoor air quality, and help prevent recurring odors and further system damage. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Ali Avesta inspected the HVAC system in Little Elm and secured a loose capacitor wire to help restore proper system oper...
10/12/2026

Ali Avesta inspected the HVAC system in Little Elm and secured a loose capacitor wire to help restore proper system operation. He discussed HVAC system replacement options with the customer, who plans to postpone installation until after winter, while addressing service concerns and prioritizing customer satisfaction, reliable performance, and long-term home comfort. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Freddie completed UV light system wiring in Frisco by routing and installing the power cord, then testing the unit to co...
10/12/2026

Freddie completed UV light system wiring in Frisco by routing and installing the power cord, then testing the unit to confirm it was powered on and operating properly. This HVAC indoor air quality service supports continued UV system operation and helps maintain a healthier indoor environment. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

Guy Cummins provided a full HVAC system replacement estimate in Dallas, reviewing installation options, labor warranty c...
10/12/2026

Guy Cummins provided a full HVAC system replacement estimate in Dallas, reviewing installation options, labor warranty coverage, and company guarantees to help the customer make an informed decision. He explained the company’s price-matching promise and replacement benefits, supporting the customer in comparing options for reliable heating, cooling, and long-term home comfort. Our company provides AC Repair, AC Installation, AC Replacement, HVAC Maintenance, Emergency AC Repair, Furnace Repair, Heating Installation, Indoor Air Quality, Duct Cleaning, and HVAC Membership / Maintenance Plans.

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Frisco, TX

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