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    Cullen Heating & Air Conditioning

    5.0 (1 review)
    Open 8:00 am - 4:00 pm

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    7 years ago

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    LFZ Heating & Cooling

    LFZ Heating & Cooling

    (1 review)

    Stay away from this company. It seems their approach is to hire subcontractors at the lowest…read morepossible cost without properly checking or correcting their work afterward. The people were friendly and never pushy, but unfortunately they didn't seem to know what they were doing. The quality of the installation was poor. I had to diagnose and correct multiple basic installation and configuration mistakes myself, which is not something a customer should have to do after paying for a professional HVAC installation. Here are some of the issues I found after the installation: Incorrect AC wiring: The AC wires were supposed to be connected to the Goodman R-32 adapter board that was supplied with the unit. Instead, they were connected directly to the furnace control board. Because of this, the outdoor AC unit starts for about half a second every time power is restored. The installation manual, including the correct wiring diagram for the Goodman adapter board, was in the same box as the board, but it appears it wasn't followed. Incorrect thermostat wiring: The Y wire was connected to the Y2 (second-stage) terminal instead of the correct Y terminal. As a result, the blower operated at the wrong speed after installation. Blower configuration was never completed: The furnace manual clearly explains that the blower speed for each stage must be configured through the furnace control board using values from 0 to 25. It was left at the factory default of 25, which is not appropriate for this installation. I had to change it myself to 10 to match the required second-stage heating airflow, and the system now operates much more appropriately. Unnecessarily short wiring and piping: The installers cut all of the wires and piping much shorter than necessary, making it difficult or impossible to correct their installation mistakes later. There was already extra wire available, left by the previous furnace installers, so there was no reason to cut everything so short.

    From the owner: Residential, Commercial & Industrial HVAC Contractor…read moreFurnace, Airconditioning, Boiler, Tank & Tankless Heater Service, Repair and Installation.

    Waza Home Comfort

    Waza Home Comfort

    (1 review)

    Our furnace died in the early days of April, when the evening temperatures dropped below 0 degrees…read moreCelsius. Waza Home Comfort looked like the best place to suit our needs, and I can now say that Waza is a terrific service to turn to for all of your HVAC needs! Stephen, our consultant, was very clear and direct in his explanations, and went over all of the financials with us. Buying a furnace is no joke, and lightens your bank account considerably. Living off the grid was looking very tempting, but Stephen walked us through the process of applying for a government grant for our new, energy efficient heat pump. We were successful, and received the grant, which lightened our load. When it came time to do the actual technical work, our technicians, Arek and Brad, were top notch. There was another technician, whose name I didn't get, and he was great too. They showed us how everything works, how to use our new thermostat, and explained how to arrange proper servicing or our new furnace and heat pump/air conditioner. Bonus: they are OK with dogs!! We have two friendly but large dogs, and the guys weren't afraid! Our home is warm now, thanks to WAZA, They helped us every step of the way to a climate controlled house, and know how to handle people who are stressed because the furnace dies. Shout out to Stephen, Arek, Brad and the other technician who was with them on the first couple of days. We are really happy!

    From the owner: At Waza Home Comfort, quality and affordability go hand in hand…read more We offer rental options, flexible financing, and competitive pricing to make your home comfort upgrades stress-free. With 18 years of trusted service, we stand behind our work with an industry-leading 10-year parts and labor warranty and 10-year workmanship guarantee. Whether you’re upgrading to energy-efficient solutions like heat pumps or need reliable repairs, trust us to deliver comfort without compromise. Call us today for the perfect balance of quality and value! We are new to yelp so don’t have reviews yet as we are evaluating the platform check out our google reviews

    Cullen Heating & Air Conditioning - hvac - Updated July 2026

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