Serving Marengo, IN and surrounding areas
Approved (Corporate)
In business since 1994
Free estimates
Emergency services offered
"Repairman tightened something and that took care of the problem. Only charged me the dispatch fee."
+1
Serving Marengo, IN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"They came, diagnosed the problem and had it fixed within an hour. Very friendly and professional. Would recomend them to anyone."
Serving Marengo, IN and surrounding areas
Approved
In business since 2021
Free estimates
Emergency services offered
"Thank you so much for your help today. I would highly recommend hiring them! Prompt & Efficient Service & Honest Pricing. He even went above & beyond to help me with another problem that I had. Great Company & I will definitely be hiring them again!"
Serving Marengo, IN and surrounding areas
Approved
In business since 2002
Free estimates
Credit card accepted
At D&R Service and Contracting, we pride ourselves on providing quality work that our customers can believe in! Whether it is installation or repair, we can take care of all of your HVAC and electrical needs. We provide free quotes and look forward to earning your business!
Serving Marengo, IN and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
We are a locally owned and operated HVAC company dedicated to providing reliable, honest, and high-quality heating and cooling services. We specialize in residential HVAC service, maintenance, and system installations, with a strong focus on customer satisfaction and long-term comfort solutions.\n\nOur team takes pride in clear communication, fair pricing, and quality workmanship on every job. Whether it’s routine maintenance, system repairs, or a full HVAC system replacement, we take the time to do the job right and treat every home with care and respect.\n\nWe offer prompt service, detailed system evaluations, and straightforward recommendations so our customers can make informed decisions without pressure. Our goal is to build long-term relationships by delivering dependable service you can trust.\n
Serving Marengo, IN and surrounding areas
In business since 2020
Free estimates
Warranties offered
"So glad we went with Brothers Heating and Air for our new a/c system! They saved us several thousands of dollars and we got a better system then we had before!! Will call again for any of our heating and air needs in the future. Thanks guys!!"
Serving Marengo, IN and surrounding areas
In business since 2022
Free estimates
Credit card accepted
"This man came out on Sunday after we contacted him on Saturday. Very nice guy! Would definitely recommend him and will definitely us him again in the future."
Serving Marengo, IN and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"It went well. We will use his services again, if necessary."
Serving Marengo, IN and surrounding areas
In business since 2006
Free estimates
Warranties offered
"These guys are great & very helpful. They even fixed my truck air conditioning. I look forward to may years of great projects with these guys.They are the BOMB."
+116
Serving Marengo, IN and surrounding areas
In business since 2022
Free estimates
Credit card accepted
"Barnes replaced both our heating and A/C units (this review site only lets you pick Furnace or A/C, both not both). Zane Barnes is honest, and easy to work with, and does excellent, careful, neat work at a very fair price. He calculated that my old system (22yr old, breaking down often) was also a little undersized and installed a system that does a better job heating and cooling, and more efficient. We also had a google thermostat installed that I really like: I can control it from anywhere with my phone or a web browner, easily setup a weekly heating/cooling schedule that meets our needs, and that auto-adjusts to an efficient temp when it senses that we are gone (e.g. on vacay). Much more efficient than our previous thermostat that was very difficult to program. Saving $$s on gas bills these days is a great feelling!!"
+7
Most professional HVAC technicians require two to three hours to complete an expansion valve replacement. The timeframe depends on your unit's accessibility and whether additional repairs are needed. The process involves recovering refrigerant, removing the old valve, installing the new component, and recharging the system. Scheduling during less busy seasons may result in more convenient appointment times.
Operating your air conditioner with a malfunctioning expansion valve isn't advisable. Continuing to run the system could potentially damage other components, particularly your compressor, which is significantly more expensive to replace. If you notice performance issues like inconsistent cooling or unusual noises, it's best to have your system inspected before continuing regular use.
Expansion valves don't have a standard replacement schedule, as their longevity depends on system usage, maintenance frequency, and environmental factors. Regular professional maintenance helps identify potential valve issues before they cause system failure. Having your HVAC system serviced annually allows technicians to monitor component condition and recommend preventative replacements when necessary.
Refrigerant leaks require prompt professional attention. If your expansion valve is leaking, you'll likely notice reduced cooling performance and possibly hear hissing sounds near the unit. Addressing leaks quickly prevents further system inefficiency and avoids the environmental impact of released refrigerant. Your HVAC technician will need to repair the leak and recharge the system with the proper refrigerant type and amount.
Because many AC issues present similar symptoms, professional diagnosis is recommended. Problems like inadequate cooling, inconsistent temperatures, or strange noises could indicate expansion valve issues, but might also stem from refrigerant leaks, electrical problems, or airflow restrictions. A qualified HVAC technician has the tools and expertise to accurately identify the root cause and recommend appropriate repairs.
From average costs to expert advice, get all the answers you need to get your job done.
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