Proper installation and maintenance to improve utility bills and provide greater peace of mind. Join our Choice Service Club to protect and maintain your system from costly breakdowns, shorten wait times, and save money. Reduce energy consumption and lower your energy bills with new, high-efficiency equipment and products. Our staff and family care about Southern Arizona and enjoy giving back to our community through Hamstra Helping Hands.
Improve system performance, reduce dust in your home, and make your home more comfortable all while saving energy and lowering your bills. Protect your respiratory system and relieve allergies by improving your Indoor Air Quality (IAQ). The Hamstra family wishes you and your loved ones good health and safety during these unprecedented times. Our hearts go out to all those impacted by the virus, either directly or indirectly.
We are inspired by the selfless healthcare workers on the front lines, some of whom are a direct extension of our Hamstra family.
Improve system performance, reduce dust in your home, and make your home more comfortable all while saving energy and lowering your bills. Protect your respiratory system and relieve allergies by improving your Indoor Air Quality (IAQ). The Hamstra family wishes you and your loved ones good health and safety during these unprecedented times. Our hearts go out to all those impacted by the virus, either directly or indirectly.
We are inspired by the selfless healthcare workers on the front lines, some of whom are a direct extension of our Hamstra family.
Services
It's always a great idea to know who you're hiring!
No matter which company you choose, and we hope it's ours, we encourage you to do a complete background check through the Better Business Bureau, Arizona Registrar of Contractors, Angie's List, Google and many of the other customer resources.
Glenn had 34 years of experience in the heating & cooling industry, Jeff 11 years and David 9. Tired of being unable to provide the highest levels of customer service, Glenn felt it was the right time to set a new standard for the heating & cooling industry.
No matter which company you choose, and we hope it's ours, we encourage you to do a complete background check through the Better Business Bureau, Arizona Registrar of Contractors, Angie's List, Google and many of the other customer resources.
Glenn had 34 years of experience in the heating & cooling industry, Jeff 11 years and David 9. Tired of being unable to provide the highest levels of customer service, Glenn felt it was the right time to set a new standard for the heating & cooling industry.
Quality installation of air conditioning systems, heat pumps, furnaces, ductless mini-splits, ductwork, ventilation equipment, filtration, humidifiers, thermostats, and sheet metal flashing/gutter/downspout.
Proper sizing of your new equipment Essential to getting the best performance and comfort.
We perform a Manual J Load Calculation to determine the correct size system for your home.
Sealing ducts Evaluate your duct system to identify leaks, and then seal them using mastic, metal-backed tape, or an aerosol-based sealant.
Proper sizing of your new equipment Essential to getting the best performance and comfort.
We perform a Manual J Load Calculation to determine the correct size system for your home.
Sealing ducts Evaluate your duct system to identify leaks, and then seal them using mastic, metal-backed tape, or an aerosol-based sealant.
Premium Plus maintenance members contact Hamstra at 520-629-9833 before noon and we 100% guarantee a service technician will be at your facility the same day before the close of our business hours.
We ensure our vans are stocked with the necessary equipment to fix your system.
If the part needed is not on our vans, we have built and maintained special relationships with our vendors to ensure that we can get the part quickly to minimize your downtime.
Hamstra technicians perform pre and post repair testing to ensure proper system function.
We ensure our vans are stocked with the necessary equipment to fix your system.
If the part needed is not on our vans, we have built and maintained special relationships with our vendors to ensure that we can get the part quickly to minimize your downtime.
Hamstra technicians perform pre and post repair testing to ensure proper system function.
Despite popular belief, the square footage per ton "rule-of-thumb" is a horribly inaccurate method of sizing comfort equipment.
The only way to determine the correct system sizing for your home is to calculate the heat gain/loss in BTUs using ACCA Manual J or ASHRAE load calculations.
If you consider two different buildings (each 2,000 square feet) - one built in the 1960's with poor construction quality and the other built to modern code requirements - the square footage per ton method would assume that both homes require the same size system.
The only way to determine the correct system sizing for your home is to calculate the heat gain/loss in BTUs using ACCA Manual J or ASHRAE load calculations.
If you consider two different buildings (each 2,000 square feet) - one built in the 1960's with poor construction quality and the other built to modern code requirements - the square footage per ton method would assume that both homes require the same size system.
Desert Eye Associates had its beginnings in Tucson in 1979 providing medical and surgical eye care.
The practice expanded to Green Valley and in 1997 we built a new clinic building.
Hamstra Heating and Cooling installed the HVAC system at that time.
Ever since then, they have provided prompt professional service.
With a large office with many patients, we needed a company that knew our needs and responded quickly.
To keep our system running worry-free, we take advantage of Hamstra's preventive maintenance plan.
The practice expanded to Green Valley and in 1997 we built a new clinic building.
Hamstra Heating and Cooling installed the HVAC system at that time.
Ever since then, they have provided prompt professional service.
With a large office with many patients, we needed a company that knew our needs and responded quickly.
To keep our system running worry-free, we take advantage of Hamstra's preventive maintenance plan.
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