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Heating Systems

Furnace/Heating System Case Studies

John’s Heating, Cooling, and Plumbing is proud to offer you a full range of light commercial and residential furnace services. These include simple furnace repair jobs and complete system replacements of all types. Even though our temperatures are mild during the winter compared to the Northern states, our nights can get darn right chilly. And, if you want to live comfortably, you need a reliable, affordable way to heat your home. For many people in our area, that may mean replacing their old furnace or heater with a new one.

Browse our case studies below. If you need help with your heating system, give us a call today at 480.649.1000 to schedule a service call or installation estimate.

  • Trane Furnace - E Penedes Dr Gilbert, AZ
    Trane Furnace - E Penedes Dr Gilbert, AZ

    When our customer’s furnace wasn’t reaching the set temperature, they called Johns to diagnose the problem. It turned out, their entire furnace was unoperational and they needed a new one. They decided to get a brand new 5 ton Trane furnace. To ensure optimal system operation we installed a new trapeze, a full size pan, and insulated plenums with dampers. For safety we also installed a new gas shutoff valve and whip, a new flu vent, and a new safety switch. To maximize efficiency we sealed all the connections and ran a direct supply to the plenum. The customer also received a new disconnect with a whip and a new condenser pad. Our customer will enjoy years of comfort and peace of mind with a 10 year parts and 20 years heat exchanger warranty. We also provide our “Installed Right” Guarantee and our Money-Back Guarantee for the first year of its performance.

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  • Trane Heat Pump - S Emerald Dr, Tempe, AZ
    Trane Heat Pump - S Emerald Dr, Tempe, AZ

    This customer called Johns to find a better solution to cool their home. We went over and found their system had a dead compressor on a Gunsmiths system. Due to the cost of repairs, the age of the system, and overall reliability, the customer decided to go with a replacement. The very next day, we used a crane to install the new Trane Foundation 5 Ton Strait Cool 480 V Three Phase Package Heat Pump on the customer’s roof. We added new curb tape and new fuses before sealing all the connections thoroughly. Finally, we made sure the system booted up correctly and worked properly for the customer. Like all of the systems we install, this system meets manufacturer installation requirements and has a manufacturer warranty plus we cover it with our “Installed Right” Guarantee, along with our Money-Back Guarantee for the first year of its performance.

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  • Trane Package System Installation - N Stapley Dr, Mesa, AZ
    Trane Package System Installation - N Stapley Dr, Mesa, AZ

    We were called out to address a cooling issue. The customer’s system wasn’t keeping the room cool enough. We performed a thorough diagnosis and found many problems with their system, including cracked and exposed wiring, a burnt contactor, oil leaking from both indoor and outdoor motors and also the indoor coil. Due to the age of the system, lack of warranty/reliability, and the costs of repairs, the customer decided to replace the system. We were happy to install a new Trane 14 Seer Single Stage Package Heat Pump on the roof. We switched out the fuses to match the new unit, extended low volt wires, and ran a high volt whip to the new unit. We also installed a new thermostat and ran a QCA start-up and checklist. Like all of the systems we install, this system meets manufacturer installation requirements and has a manufacturer “Installed Right” Guarantee, along with our Money-Back Guarantee for the first year of its performance. All parts have a 1 year warranty, except for the compressor which has a 5 year warranty.

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  • Double Trane Furnace Install - E. Mineral Road, Gilbert, AZ
    Double Trane Heat Pump Install - E. Mineral Road, Gilbert, AZ.

    This customer’s heat pump failed and needed to be replaced. We Installed two heat pumps, 2 4-ton 2-stage Tranes. A new full-size pan and new insulated plenums with dampers were installed as well as new p traps with safety switch and A new 824 thermostat. We then sealed all connections. Complete start-up and QCA were achieved. Both systems are covered by a 10-year parts, 10-year compressor, and 2-year labor guarantee.

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  • Trane Split System Installation - E Wilshire Dr, Scottsdale
    Trane Split System Installation - E Wilshire Dr, Scottsdale

    Customer phoned and requested service for his A/C unit which was not reaching cool temperatures. He requested an estimate for a new system, as this was an old unit. Ultimately, they decided on a Trane 16 Seer2 horizontal gas split system furnace to make their living space more comfortable. This system is covered by a 10 years parts, 10 years compressor, 20 years heat exchanger, 2 years labor and, of course, John’s service & repair guarantees.

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  • Trane Split System Installation - E Harrison St., Gilbert
    Trane Split System Installation - E Harrison St., Gilbert

    A John’s customer contacted us because no cool air was coming from their air conditioner. This customer has two older HVAC systems in their home. After discussion, the customer decided to entertain estimates for new system and opted to replace the old systems with newer and more energy efficient Trane 3 & 4 ton, 2 stage, Seer 2 split units with outdoor condensers and coils. All of these are covered with John’s impeccable installation and replacement guarantees. Another customer saved from the Arizona heat!

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  • Trane Split System Installation - N Judd Pl, Chandler
    Trane Split System Installation - N Judd Pl, Chandler

    Customer was looking to replace HVAC units right away and called John’s for an estimate. The customer decided that a double attic Trane furnace system with outdoor condensers was their best option! Of course, installation was covered and our customer by John’s guarantees: our Money Back, Installed Right, Accurate Quote, and Home Protection Guarantee. We love making our customers comfortable when they need it the most.

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  • Trane Split System Installation - E. Milagro Ave, Mesa
    Trane Split System Installation - E. Milagro Ave, Mesa

    Customer called because his AC unit was being noisy and wondered if it would be better to repair or replace his older unit. The morning of the service call, his AC quit working! It was determined that a Trane split system, two stage compressor with a WIFI thermostat would be the best option. Furnace was installed in attic while A/C compressor was installed outside the home. Of course, installation was covered and our customer by John’s guarantees: our Money Back, Installed Right, Accurate Quote, and Home Protection Guarantee. Another happy and cool customer ready for the Arizona heat!

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  • Trane Furnace/AC Replacement - Phelps Street, Gilbert AZ
    Trane Furnace/AC Replacement - Phelps Street, Gilbert AZ

    We installed 2 new Trane single stage split systems with A/C coils and furnaces located in the attic. Condensers were installed outside of the residence. The furnaces were installed with new supply and return boxes, collars with dampers, safety switches, full length pans and all duct work at the unit was sealed. The condenser was installed with a new disconnect, whip, and surge protector. We did a complete start up and QCA. 10-year parts, 10-year compressor, 20-year heat exchanger, 2-year labor warranties.

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  • Trane Furnace Replacement - E. Marino Drive, Scottsdale, AZ.
    Trane Furnace/AC Replacement - E. Marino Drive, Scottsdale, AZ.

    We installed 2 new split systems with 1 Furnace located in the attic and 1 in the garage at this home. The attic furnace was installed with a new full length pan, supply, and return, collars with dampers, a safety switch, new gas pipe from the unit to the shut-off, and all duct connections were sealed. The garage unit was installed with a filter base new gas whip and shut off, safety switch, blew out drain line with nitrogen and sealed duct connections at the unit. Both condensers were installed with new disconnects and whips. We did a complete start up and QCA. Both systems include a 10-year parts, 10-year compressor, 20-year heat exchanger, and 2-year labor warranties.

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  • Split Attic Furnaces Installation, Phoenix, AZ
    Split Attic Furnaces Installation - 18th Drive, Phoenix

    We installed two 3-ton Trane split attic furnaces. The furnaces were installed with new supply and return boxes, collars and dampers, a full length secondary pan, a safety switch, new gas piping from unit and a gas shut off valve. All ductwork at both units were sealed. The condensers were installed with a new pad, disconnect, whip and surge protector. We did a complete start-up and QCA. Both units include a 10-YEAR PARTS, 10-YEAR COMPRESSOR, 20-YEAR HEAT EXCHANGER, and 2-YEAR LABOR WARRANTIES.

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  • Trane Furnace Install Juniper Village Dr. Gold Canyon AZ
    Trane Furnace Install Juniper Village Dr. Gold Canyon AZ

    We arrived to perform routine maintenance on two Amana furnaces. Upon arrival, our customer explained that one furnace turns on but does not heat. He further explained that he could hear the blower running, but nothing else happened. After diagnosing the issue, we found a bad inducer motor. Due to the ages of the systems, current condition, history of breakdowns, and the expense of the needed repairs, the technician recommended replacing the system. Several months later, our customer contacted us to provide no cost estimates on replacements and ultimately decided to replace the old inefficient systems. We replaced the current furnaces with two 4-ton Trane furnaces covered by the manufacturer's ten-year parts, 12-year compressor, 20-year heat exchanger, and two-year labor warranty. In addition to the warranties, John's covers all installations with our Installed Right Guarantee and Money Back Guarantee.

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  • Trane Heat Pump Install – Leisure World in Mesa
    Trane Heat Pump Install – Leisure World in Mesa

    A Peak Performance Club member called because their gas furnace was not working correctly. It was the first time they turned on their heating system for the season, and it made a loud noise and would only blow cold air, so they called John’s Heating and Cooling for a furnace repair. After completing a full diagnostic, the technicians determined that the system was low on refrigerant due to the indoor coil leaking refrigerant, which also damaged the indoor coil. Due to the cost of the repairs and the overall reliability of the system, a replacement was recommended. Johns Heating and Cooling replaced the system with a new 3.0 ton package Trane 14 Seer Single Stage Package Heat Pump system on the roof. For improved comfort, safety, and peace of mind, a surge protector and programmable thermostat were also installed. The technicians did a complete QCA start up and checklist and the new system is backed by a 10 year parts, 10 year Compressor, and 2 year labor warranty on top of all of John’s Installation & Replacement Guarantees.

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