A to Z Heating & Cooling

Business Details

Emergency

services

Your Trusted HVAC Partner in Greeley, CO

A to Z Heating & Cooling has been your trusted HVAC partner in Greeley, CO since 2011, building on a legacy of excellence that dates back to the 1960s. As a Daikin Comfort Pro and Ductless Design Pro, we specialize in heating, cooling, and indoor air quality solutions tailored to Northern Colorados unique climate. Our team of NATE-certified technicians delivers energy-efficient systems, from furnace replacements to ductless mini-splits, ensuring reliability and comfort for homeowners in Eaton, Evans, Fort Collins, Loveland, Windsor, and surrounding areas.

With 24/7 emergency service, price-match guarantees, and a 100% satisfaction promise, we prioritize transparency, fair pricing, and technical expertise. Our commitment to continuous training and adherence to industry standards like ISO 9001 ensures every installation and repair meets the highest benchmarks. Whether addressing urgent HVAC failures or optimizing year-round comfort, we combine decades of hands-on experience with cutting-edge technology to provide solutions that reduce energy costs while enhancing home efficiency.

Services

HVAC Maintenance Heating Repair AC Repair Heat Pump Installation Ductless AC Indoor Air Quality Emergency Services Furnace Repair System Replacement Maintenance Plans

Highlights and features

We offer 24/7 emergency HVAC services with no after-hours fees.
Our team consists of NATE-certified technicians with extensive expertise.
We guarantee 100% customer satisfaction on all installations and repairs.
We provide financing options to make HVAC upgrades more accessible.
We have over 40 years of combined experience in the HVAC industry.

Associations and certifications

NATE-certified
Daikin Comfort Pro

What people say

Expert service No upselling 24/7 availability Professional technicians Fair pricing

Website

Update Listing

Services

Heating Repair

Our Heating Repair service addresses furnace issues quickly, ensuring safe operation and energy efficiency. We inspect systems thoroughly, perform necessary repairs, and advise on upgrades to modern, cost-saving models. With NATE-certified technicians, we handle all makes and models, offering 24/7 emergency service for urgent needs in Northern Colorado.

AC Installation

AC Installation services focus on proper system sizing and efficient setups for optimal comfort. We specialize in Daikin systems, providing energy-efficient cooling solutions tailored to your homes needs. Our team ensures seamless installations, including ductless options, with a 100% satisfaction guarantee and warranties honored.

Heat Pump Services

Heat Pump Services include installation, repair, and maintenance of air-source and ductless systems. We optimize performance for Colorados climate, offering variable-speed models to reduce energy bills. Emergency repairs and annual maintenance plans ensure year-round reliability with NATE-certified expertise.

Ductless AC

Ductless AC installations provide zoned cooling for homes without existing ducts. We offer wall, ceiling, and floor-mounted units, ensuring quiet operation and precise temperature control. Our technicians recommend solutions for add-ons or older homes, improving efficiency without major renovations.

Indoor Air Quality

Indoor Air Quality services involve installing air purifiers, humidifiers, and ventilation systems to reduce allergens and pollutants. We assess your homes needs, recommending filters and systems compatible with existing HVAC setups to enhance health and comfort.

People

Derek Quint

Co-Owner

Derek Quint co-owns A to Z Heating & Cooling, bringing decades of HVAC expertise. He prioritizes customer satisfaction and leads a team dedicated to quality service in Greeley, CO.

Anthony DeMarco

Co-Owner

Anthony DeMarco co-founded A to Z Heating & Cooling, leveraging extensive industry experience to deliver reliable HVAC solutions. He emphasizes technical excellence and ethical business practices.

Questions

What HVAC services do you offer?

We offer heating, air conditioning, heat pump installations, ductless AC systems, indoor air quality solutions, maintenance plans, and 24/7 emergency repairs.

Do you provide emergency HVAC services?

Yes, we offer 24/7 emergency HVAC services with no after-hours fees for urgent heating or cooling issues.

Are financing options available?

Yes, we provide financing options to help manage the cost of HVAC installations and repairs.

What areas do you serve?

We serve Greeley, Fort Collins, Loveland, Windsor, Evans, and surrounding areas in Northern Colorado.

How can I schedule maintenance?

Do you price-match competitors?

Yes, we guarantee to match any competitor’s price for comparable HVAC systems when provided in writing.

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Reviews (7)

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Jenna A.

Jun 28, 2022 Report

Our air conditioner died last night. I called these guys because their website said they didn't charge for emergency (after-hours). Within an hour of my call a repairman had arrived. He looked at our HVAC and told us what was wrong with it (the motor went out) but he also noticed a warranty sticker from another company. He said that this would probably be covered by them and told us he wasn't going to charge us for the service visit since he didn't do any repairs. The whole process was them was very easy and professional.

Tori Geist

Jun 22, 2022 Report

Always extremely nice, professional, on time, and reasonably priced! Have never had anything other than exceptional experiences with A to Z! Services: A/C filter replacement, Cleaning, HVAC system maintenance, A/C system maintenance

Mirta Lechuga

Sep 28, 2021 Report

Tonight was one of the coldest nights starting this fall, was going to start my furnace when I realized it wasn't working. Called and everyone was so nice and answered all my questions, technician came out and fixed my issue, affordable and professional, will use their services again, highly recommend. Service: HVAC maintenance

Sawyer Young

Jul 22, 2021 Report

They came out quickly. The repair technician was very informative and helpful in limping our ancient (34 yr old) ac unit along. He offered to come back when we are ready to quote us on a new unit. Definitely grateful to the business for a fast repair and respectful technician. Service: A/C system maintenance

Carly Haynes

Jul 12, 2021 Report

Absolutely AMAZING company! The owner was such a great guy and got my ac up and running in no time! That will probably be my first and last time trying to clean/fix an AC by myself haha! Thanks again guys!

Kellie Mathews

Jun 30, 2021 Report

Excellent service! Derrick was awesome. Professional, thorough and Honest! He came out to give us a second opinion. He had our AC running in no time. The previous company had completely misdiagnosed our AC problem. We will definitely call AtoZ again!

Scott Johnson

Jun 22, 2021 Report

Derek and team did an awesome job. We had a complete overhaul of our HVAC system in our house. Derek and team were always professional, on time, and transparent. Once our project began, we were their focus and they worked long days to complete our project in a very timely manner. Follow up and responsiveness is extremely good. Great company and I definitely recommend A to Z for any of your HVAC projects. They are highly capable, reliable, and dependable!