Serving Unionville, PA and surrounding areas
Approved
In business since 2006
Emergency services offered
Credit card accepted
"Working with Eddie, Tony, Lisa and the rest of the team at East Coast Comfort was a pleasure. Shopping for HVAC is a challenge and this team made it very easy. I recommend working with them!"
Serving Unionville, PA and surrounding areas
Approved (Corporate)
In business since 1966
Free estimates
Emergency services offered
"We choose Unique Indoor Comfort as the company to replace our 1960’s era gas boiler with a 83% AFUE Weil McLain, and we’ve been very happy with that decision. Everyone from Unique that we interacted with was professional, personable, and patient. The latter quality being reflected in the willingness of everyone from Unique, from the salesperson to the installation crew, to take time to answer all our questions. After sizing our heating requirements, Unique presented us with several packages, of differing efficiency, that included boilers smaller than the old one, but ones that would meet our heating needs. This was in contrast to other companies that wanted to replace our old boiler with one of similar size, not taking into account that the old one was oversized to begin with. The Unique package we chose included outdoor reset, and air elimination, items that may have increased upfront costs, but ones that will probably offer savings, convenience, and increased comfort in the long run. Some other companies didn’t even mention these options. Thank you to Dante, Taz, Sam, Jameel, Brandon and all the Unique team, for making our boiler replacement project an excellent experience!"
+3
Serving Unionville, PA and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"Workman was experiance in the type of boiler that I have and answered all of my questions.. I will hire this summer for air conditioning"
Serving Unionville, PA and surrounding areas
Approved
In business since 2001
Free estimates
Credit card accepted
"Bill did an awesome job explaining and recommending my new Bosch 2.0 4 stage inverter heat pump. I am extremely happy with the entire experience with Universal Air @ cooling LLC Best HVAC experience ever I highly recommend this company"
Serving Unionville, PA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
"We recently moved into a house built in 1987 with the original air conditioning unit, which constantly ran without stopping. It was a brutal summer, but it was definitely not running properly. Joe came out himself to take a look. He took a look at the entire system and suggested that we service the AC to make it function properly and not constantly run. He also changed the air filter in the furnace. I appreciated the fact that he did not push a new air conditioning system in the house considering the unit we have is 25+ years old. He also gave us a few ideas on how to make our home more energy efficient. He did a great job.
"
+6
Serving Unionville, PA and surrounding areas
Approved
In business since 2005
Free estimates
Credit card accepted
"Experience is the key here. Arrived, diagnosed, repaired and got the Aircon working at a fair price."
Serving Unionville, PA and surrounding areas
Approved
In business since 2016
Free estimates
Emergency services offered
"George was awesome - our air conditioner stopped working at noon and he was here by 2pm and got us back up and running by 3pm. Showed me it was just the capacitor and also alerted me to a potential other issue down the road and gave me a quote on it just in case. Pricing was reasonable and I'm gonna use him for service on my unit and furnace as well here on out. I couldn't be happier or recommend him more."
+11
Serving Unionville, PA and surrounding areas
Approved
Super Service Award Winner
In business since 1959
Free estimates
Emergency services offered
"The technician Adam couldn't have been more professional and helpful. He arrived on time and was very courteous. He quickly was able to assess the problem and repair it. I'd recommend One Hour Heating and Air Conditioning to anyone looking to install or repair their HVAC system."
Serving Unionville, PA and surrounding areas
Approved (Corporate)
In business since 1903
Emergency services offered
Warranties offered
"we had a leak problem and the tech came and looked over our equipment, fixed the problem and left. It cost us nothing and we have had their home heating service contracts for over 20 years. They have NEVER ONCE not shown up or not helped and in the two furnace emergencies we had--they were here with in 1hr.
We are very happy.
"
Serving Unionville, PA and surrounding areas
Approved
In business since 1948
Free estimates
Emergency services offered
"Great company! Transparent business and came right away to fix my central air."
+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.
Use this guide to budget for appliance installation costs based on factors such as appliance type, installation complexity, labor rates, and more.
Explore how factors such as materials, local labor rates, and the type of damage affect the cost to repair a burst pipe.
Use this guide to learn how much rebar costs per foot so you can budget for your next big home improvement project.
Discover how factors such as linear footage, local labor rates, and trim type affect the total cost of painting baseboards.
Learn how much cat or dog door installation costs based on factors like the door size, material, location, and added features.
Discover how much an electric furnace costs based on factors such as unit size, local labor rates, electrical upgrades, and ductwork condition.