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Avatar for Allied Electric LLC
Allied Electric LLC
4.9(
49
)
Central A/C - InstallCentral A/C - Service or RepairDuctless Mini-split A/C - Install or Replace+11 more

Serving Congress, AZ and surrounding areas

Approved

In business since 2019

Emergency services offered

Warranties offered

"Allied Electric installed some Patio heaters for me, which also required upgrades to my electric panel. The entire process went smoothly and quickly - about a week from first engagement to job completion, and that included local permitting (which Allied managed) around the holiday weekend. Everyone I interacted with was friendly and knowledgeable, from Amber in the office, to Marioâ s inspection and quote, to Luisâ and Codyâ s installation. We are really enjoying being able to use our patio in the wintertime- Many thanks to the friendly Proâ s at Allied Electric!"
Backyard lounge
Backyard lounge
Backyard lounge
Backyard lounge
Backyard lounge

+7

Response time6 hrs
118 neighbors recently requested a quote
Recommended by78%of homeowners
Avatar for Arizona All Cleaners
Arizona All Cleaners
4.8(
202
)
Air Ducts & Vents - Clean

Serving Congress, AZ and surrounding areas

Approved

In business since 2017

Free estimates

Warranties offered

"Very conscientious. Provides additional services other vent cleaners do not. Sanitize, clean coils on unit, cleaned bath vents and even my ceiling fan blades. Quick and efficient."
CLEAN DRYER VENT
CLEAN AIR HANDLER CIOL
BIG VACUUM
REGISTER WASHED, DRYING
OUR STAFF

+14

Response time10 hrs
Recommended by97%of homeowners
Avatar for Advanced Cleaning Technologies A-Z, LLC
Advanced Cleaning Technologies A-Z, LLC
4.6(
525
)
Air Ducts & Vents - Clean

Serving Congress, AZ and surrounding areas

Approved

Super Service Award Winner

In business since 2007

Free estimates

Emergency services offered

"Brian, the owner of the company was fantastic and friendly. We had him clean out two dryer vents and he even came out on a Saturday with a short notice. Would absolutely recommend him! Lastly, he pulled out a lot from each vent. Definitely feel safer knowing that my dryer will work properly and that nothing can catch fire. Thank you, Brian!"
12 neighbors recently requested a quote
Recommended by92%of homeowners
Dillon Eason
New to Angi
Air Ducts & Vents - Clean

Serving Congress, AZ and surrounding areas

Approved

I’m a Phoenix-based audio/visual professional with years of hands-on experience in equipment installation, troubleshooting, and live event production. My background includes working as an A/V Technician for Encore Global, where I set up and operated microphones, speakers, projectors, large displays, and complete event systems for clients of all sizes. I specialize in clean installs, efficient problem-solving, and making sure every system works exactly as it should.\n\nCustomer service is at the core of my work. Whether I’m in someone’s home or at a large venue, I prioritize clear communication, safety, and attention to detail. CPR and First Aid certified, dependable, and responsive — I treat every project with professionalism and care.

Avatar for Trusted Heating & Cooling LLC
Trusted Heating & Cooling LLC
4.5(
109
)
Boiler or Radiator Heating System - Install or ReplaceBoiler or Radiator Heating System - Install or Replace - For BusinessBoiler or Radiator Heating System - Repair or Service+47 more

Serving Congress, AZ and surrounding areas

In business since 2009

Emergency services offered

Credit card accepted

"We were very pleased with the Richard and Ben's work.  They were extremely professional and responded to all our questions and gave us some additional advise which regard to the vents and potential solutions which we ultimately implemented solving our leakage issues.  I also visited the company's site and researched other references prior to hiring Trusted.  In every case nothing but high marks were given and after our service I can see why.  Trusted will be my go-to HVAC contractor from now on.  Extremely professional.
"
Recommended by88%of homeowners
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Heating and Air Conditioning questions, answered by experts

Split systems are the most common type of HVAC system. Split systems have two main units: an indoor one and an outdoor one. These units work together to pull in air, heat or cool it, and distribute it throughout your home. Other popular types of HVAC systems include hybrid systems and packaged heating and air systems.

You will enjoy greater energy efficiency and save on your annual energy bills, with new, modern HVAC systems using 30% to 50% less energy than older models. Upgrading your HVAC system is also a great way to embrace new technology, such as smart thermostats, lighting, fan speed, and humidity from your phone or tablet.

The standard HVAC warranty is around five years. Still, many brands offer an extension to 10 years if you register the product within a specific timeframe, typically 60 to 90 days post-purchase or HVAC installation. Over the past decade, warranty periods have substantially increased, shifting from 3-5 years in the 90s to the now-prevalent 10+ year warranties. Both warranty types cover parts failing due to manufacturer defects, incurring no additional costs. Some manufacturers provide extended warranties surpassing the usual 15- to 20-year window, though these often involve extra fees. 

Many HVAC companies offer free quotes and free estimates for repairs and new HVAC systems. Others offer low-cost quotes or apply the cost of the estimates or diagnostics to your final bill if you hire them. Be aware that some companies advertise free HVAC quotes and recoup the costs by charging more for their services. Free HVAC quotes are never truly free—they cost the company time and effort—so be a good customer. Also understand that you may end up paying for free quotes in another way if you don’t hire a reputable company.

Yes, a dirty evaporator coil can freeze up. Dirty evaporator coils can’t absorb or transfer heat properly. The dirt and grime restrict airflow, which is needed to move heat throughout the system properly. Your air conditioning unit could freeze over, or it can cause your heat pump to freeze.

The Congress, AZ homeowners’ guide to heating and air conditioning services

From average costs to expert advice, get all the answers you need to get your job done.