The Hartzell Guaranteeadmin

At Dave Hartzell’s Heat & Air, We Will Undertake Your Project Like Our Own; We Guarantee It!

Have you had traumatic experiences working with technicians who have promised you results without being able to deliver on them? At Dave Hartzell’s Heat & Air, we can provide you with complete customer satisfaction as we pledge and commit ourselves to standards of high quality services.
Our Guarantee


As Owner Of Dave Hartzell’s Heat & Air, I Guarantee That My Team And I Will Provide You With Nothing But The Best Of Services!

We will treat and care for your home or business location, like our own; respecting your right to privacy and safeguarding your property, while we tackle the job at hand and efficiently provide you with timely results.

To ensure that we do not create a mess in your home, we will wear booties and place drop cloths in the work area to protect your furnishings and belongings.

Priding ourselves on our honesty and integrity, we will make sure that our service prices are fair and just, and we will perform our task with dedication, ensuring that the job is well worth the outcome. We will not cut corners or demand extra fees from our services once we have quoted our estimated rate. Thus, we will honor our commitment and remain true to the quoted price.

Using the highest quality of materials and equipment, we will provide you with installations and repairs of the finest standards. We also stand behind the services of our staff and personnel with a warranty; and the same can also be said for all the equipment vendors from whom we purchase our materials; as we expect all of our suppliers and vendors to stand behind their products as well!

Offering services, 24 hours a day, 7 days a week, we have set up our staff’s schedule in such a manner that your urgent calls are responded to immediately; no matter what time it may be. We understand that technical problems do not work with a schedule, and so, neither do we!

We make sure that you are provided with a range of services and options to choose from, so that you can come to us for all your heating and cooling system requirements. With maintenance plans and annual service contracts, we aim to prevent technical problems before they occur, adding to your convenience and peace of mind.

Supplying efficiency at its best, we are immediately on our way to your location after you have given us a call. For this purpose, our trucks are kept fully stocked at all times, so that we can cater to your needs instantly without making you wait. The equipment in our trucks is sufficient to cater to everything; from installation and regular service, to repairs of heating and cooling systems within residential and commercial properties.

Our employees can be trusted 100% within your home or business location as we hire professionals who meet high standards of employment. We conduct background checks for all of hired personnel, including criminal records, DMV checks and even a technical aptitude test. We also follow up on all job references before finalizing our decision of hiring a particular individual within our team.

Thus, we can be trusted to fix your HVAC requirements, providing great service along the way! However, we also acknowledge that we are not perfect, and if we make a mistake, we will fix it for you, no questions asked! You have my word on it!

Dave Hartzell

Dave Hartzell’s Heat & Air LLC