HVAC Company & Plumber in Gilbert, AZ

More than 595+ 5-Star reviews

Gilbert homes place steady demand on HVAC and plumbing systems because daily routines are often busy, floor plans are larger, and hard water can affect fixtures, water heaters, and appliances over time. Around Agritopia, Morrison Ranch, Val Vista Lakes, Power Ranch, Seville, Downtown Gilbert, Loop 202, and US-60, homeowners need systems that can keep up with long summers, full households, and changing comfort needs.

Semper Fi Heating & Cooling provides heating and cooling, plumbing, drain cleaning, water heater, and home comfort services throughout Gilbert. Our team helps with urgent AC problems, planned system upgrades, seasonal maintenance, drain backups, water heater issues, leak concerns, and comfort improvements for rooms that never feel quite right.

Schedule service today with a team that understands Gilbert homes, Southeast Valley heat, hard water, and the demands of active family households.

Heating & Cooling

Gilbert cooling problems often show up in the spaces people use every day. Upstairs bedrooms, lofts, nurseries, home offices, bonus rooms, and west-facing living areas can become uncomfortable when airflow is weak, the ductwork is leaking, or the system is working through another long stretch of summer heat.

Heating does not run nearly as often as cooling, but it still needs to be dependable. A heat pump or furnace can sit unused through most of the year, then reveal thermostat problems, startup issues, weak airflow, or uneven warmth when cooler nights arrive.

  • If the AC is running but the house still feels warm, AC repair can help track down airflow issues, electrical problems, refrigerant concerns, or dirty components.

  • When an older unit struggles during summer or needs frequent service, installing a new air conditioner can improve the home’s cooling performance and efficiency.

  • Before long-run times put extra stress on the system, air conditioning maintenance can check the coils, drain lines, filters, airflow, refrigerant performance, and electrical components.

  • Cooler nights still happen in Gilbert, and heating services help keep furnaces and heat pumps ready when the thermostat finally switches modes.

  • A heating system that warms unevenly, wastes energy, or needs repeated repairs may be a good candidate for heating installation.

  • To prepare for seasonal use, heating maintenance can help identify worn parts, safety concerns, airflow restrictions, and control issues.

  • If the furnace produces weak heat, unusual smells, loud starts, or short cycles, furnace service can help restore safer, more reliable operation.

  • For homes that need efficient heating and cooling from one system, heat pump systems can be a practical year-round solution.

  • Additions, garages, casitas, offices, and rooms with stubborn temperature swings may be easier to control with ductless mini-split systems.

Schedule heating or cooling service when comfort starts changing in the rooms your household uses most. Catching the issue early can help prevent a small airflow, electrical, or maintenance problem from turning into a larger repair.

Plumbing & Drain Cleaning

Gilbert plumbing systems see plenty of daily use. Multiple bathrooms, kitchen cleanup, laundry, dishwashers, showers, outdoor hose bibs, and guest spaces can all put pressure on drains, fixtures, water heaters, and valves.

Hard water adds another layer of wear. Mineral scale can build up inside faucets, shower valves, aerators, supply lines, appliances, and water heaters, which may reduce flow, affect temperature control, and shorten the life of plumbing components.

  • When sinks, tubs, showers, or laundry drains keep slowing down, drain cleaning can help clear buildup before a full backup interrupts the day.

  • If back-to-back showers leave the home without enough hot water, water heater repair and replacement can restore stronger performance.

  • To help limit scale on fixtures, appliances, valves, and water heaters, water softener solutions can be a useful upgrade for Gilbert homes.

  • Water spots under cabinets, soft flooring near fixtures, musty smells, or an unexplained jump in usage may call for leak detection.

  • If several drains gurgle, smell bad, or back up around the same time, sewer line services can help find the source of the larger problem.

  • A disposal that hums, jams, drains slowly, or smells after normal cleaning may need garbage disposal service.

  • Burst pipes, active leaks, sewage backups, no-water situations, and major clogs are times when an emergency plumber should be called right away.

Schedule plumbing or drain service if the same issue keeps recurring. Repeated clogs, slow hot water recovery, or small leaks are often easier to handle before they damage cabinets, flooring, drywall, or nearby finishes.

Home Comfort Solutions

Comfort in Gilbert depends on the whole house, not just the outdoor AC unit. Attic heat, duct leakage, dust buildup, insulation levels, thermostat control, and indoor air quality all influence how evenly rooms cool during long Arizona summers.

These upgrades can be especially helpful in larger family homes, upstairs rooms, nurseries, bonus rooms, home offices, and spaces that get heavy afternoon sun. Improving how conditioned air moves through the home can help reduce strain on the HVAC system and make comfort more consistent.

  • If dust keeps collecting near vents or airflow feels stale, duct cleaning can help remove debris from inside the HVAC system.

  • Hot upstairs rooms often point to attic heat, and attic insulation can help slow heat transfer into the living space.

  • For households with changing schedules, a smart thermostat can make it easier to manage comfort, set routines, and reduce unnecessary system use.

  • When cooled air leaks before it reaches bedrooms, offices, or bonus rooms, duct sealing can help improve delivery through the home.

  • Families looking for whole-home indoor air quality support may benefit from a REME HALO air purifier to help address airborne particles and contaminants.

Ask our team about home comfort solutions if your Gilbert home has rooms that never cool evenly, dust that returns quickly, or cooling bills that seem higher than they should be. A targeted comfort upgrade may help the HVAC system perform better without relying only on repeated service calls.

Schedule service today!

Our veteran-run team delivers solutions when you need them most.

Why Choose Semper Fi Heating & Cooling?

  • veteran-run and operated with a service-first mindset.

  • Licensed and insured for HVAC and plumbing work.

  • Same-day and 24/7 emergency services available when urgent issues arise.

  • Financing options available for qualifying repairs, replacements, and upgrades.

  • More than 8,000 five-star reviews from homeowners across the region.

  • Experienced with Gilbert homes, Southeast Valley heat, hard water, larger family layouts, upstairs comfort issues, and high-use plumbing systems.

  • One team for HVAC, plumbing, drains, water heaters, ductwork, indoor air quality, and home comfort upgrades.

Schedule your appointment today and get practical help for your Gilbert home.

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Review Highlights
Customers consistently praise Semper Fi for their exceptional speed and responsiveness, often arriving same-day or next-day to resolve urgent heating, cooling, and plumbing issues, combined with honest, knowledgeable technicians who thoroughly explain the work and take time to ensure complete satisfaction. The team is recognized for their professionalism, cleanliness, fair pricing without upselling, and genuine care—from scheduling through installation—with many customers highlighting specific technicians by name for their expertise, friendliness, and ability to make even stressful emergencies feel manageable. Whether installing new systems, performing routine maintenance, or handling emergency repairs, the consistent feedback reflects a trustworthy company that goes above and beyond expectations while delivering quality workmanship.

Based on 595+ Reviews

AzPoohbear
2 days ago
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Outstanding, went over and beyond to help us. We highly recommend. We feel very blessed and grateful for his dedication to helping our family. Thank you so much Calin (our serviceman) for everything.
charles murray
2 days ago
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Cailn Matie was amazing. Went well above and beyond. Took his time to explain everything and answered all of our questions. Would recommend to anyone who asks us. Truly appreciate your help.
Cade Purvis
2 days ago
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Anthony is awesome! Explained the issue well.
Anne Sandlian
2 days ago
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Joel was stellar and came after hours was cheerful and gave great customer service!!! Five stars plus!!
adrian
2 days ago
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Over the summer., I had trouble with my AC, not cooling correctly. Ryan from Semper Fi heating and cooling company happen to call me to offer a free service and inspection and it turned out my ACs are low on Freon, Considering the age of the AC units Ryan offered a free estimate.On replacing my AC units. Their pricing is spot on ….I know that because I called the other AC co price out the same products and they could not match Ryan’s Price and a free 10 year parts and Service.

Its people like Ryan that build your trust in the company. I appreciate Your professionalism And your ability to Explain to me exactly why the AC system need to be repaired or replaced? I recently had my son graduate from HVAC school And I’ll be recommending he works for a company such as this one.
James Brush
2 days ago
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Blake was thorough, friendly and professional. I will use SemperFi HVAC again. I feel I can trust their services and rates.
Ramón Vega
2 days ago
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Colin performed our system maintenance today. He provided a thorough account of the items that were good with our system as well as others that needed immediate attention. He performed the repairs timely and efficiently.
Lionel Teichroew
2 days ago
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Extremely happy with the service. Technician was thorough, explained what was necessary before proceeding. Had us up in running the same day as the service request. Highly recommend. Annual service plan amazing.
Alan Ritter
2 days ago
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Cole and his team came out and assessed our system and made recommendations on Systems. We were unfamiliar with. We went over energy efficiency of different units and different package systems. Everything was laid out very clearly. We have to call people for different maintenance needs from electrical to plumbing, etc. and we find that there are times we’re going through four or five people before we get to somebody who knows what they’re doing. It’s nice to see somebody who knows what they’re doing showing up right from the start.
PLC 2010
2 days ago
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Very professional and knowledgeable of what he was doing. All I needed to do was showing where all the equipment was, and then he went to work. He explained everything in detail for me.
Laird Pettit
2 days ago
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Great planning, bright install staff, spotless work and clean up, and on-site follow-on inspection. Rare these days!
Jesse Lopez
2 days ago
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5 star experience!!! Water heater cracked suddenly made one phone call and they came straight out and repaired it same day… on a Sunday to boot! I would highly recommend this company!
Michael Crisafulli
2 days ago
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Had no problem at all with Semper Fi. Greg is a very knowledgeable and informative technician.
David Blundell
2 days ago
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Honest and very knowledgable
Rolando Carroll
2 days ago
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Tech was very courteous a d professional..pointed out low air flow issue in our upstairs area..that i was u aware of
Hannah Rice
2 days ago
Google logo: a bold multicolor 'G' in blue, red, yellow, and green.
Ryan came on time and was friendly and to the point. He made the process easy to understand and concise as requested.
Vilma Mendoza
2 days ago
Google logo: a bold multicolor 'G' in blue, red, yellow, and green.
The reasonable price is great.The staff are friendly ,knowledgeable and professional.
Lynette Charity
3 days ago
Google logo: a bold multicolor 'G' in blue, red, yellow, and green.
Great job! And when we needed a small problem fixed, they came immediately and got it resolved! Great company!
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Contact Us Today for a Free Estimate or a $17.75 Tune-Up

Semper Fi Heating & Cooling provides 24/7 heating, cooling, plumbing, and home comfort services backed by quality workmanship and a veteran-run commitment to exceptional service. Call or schedule your service today!
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