Gaithersburg, MD Air Conditioning, Heating and Plumbing Services
Supreme Air provides Air Conditioning, Heating and Plumbing Services, Repair, Installation, Maintenance, and Tune Up in Gaithersburg, MD and surrounding areas.
Check out what some of our customers are saying about Supreme Air.
for Gaithersburg, MD
Leigh - Gaithersburg, MD
Youssef was awesome. He arrived on time, was very polite and respectful of my property around the work area, very neat and knowledgeable about his craft. He was just very professional. He must be a very valuable asset to your team. I would recommend him to any one with out a shadow of a doubt. He is such a good man.
Capable and friendly service
Lauren - Gaithersburg, MD
Yonas arrived when expected and took care of the service needs promptly and carefully. He had the filter I needed on the truck.
Upon arrival we spoke with manager. She showed us indoor roof ladder. Went to roof and wrote down model and serial numbers as well as filter and belt sizes.
DRAIN PAN CLOGGED CLEANING WITH NITROGEN ALSO CLEANING THE EVAPORATOR COIL Fall pm on 10/03/19 On arrival I sanded the flame rectification probe and checked the burner arrangement the ignitor homes out to be in good condition all electrical device in side the furnace set units to call for heat measured supply and return air temp measured voltage and amps inspected electrical connections checked drain and cleaned checked air filter and replaced checked compressor capacitor checked EWP and LWP also water temp checked evaporator coil unit #1 is bad condition I suggested to Cleaning now to avoid future problems also the drain line is clogged I gave quote for customer accepted customer she got special discount by Alex customer accepted the quote cleaned the unit #1 Evaporator coil and the pan vacuum pressure nitrogen to drain line tested with water is running out normal start up units operating normal at this time. Recommended Uv lights installation for 3 units Collected $426.70 for Evapo
Fall pm On 09/30/19 On arrival set unit to call for heat measured supply and return air temp measured voltage and amps inspected electrical connections checked drain and cleaned checked air filter and replaced checked condenser unit outdoor checked electrical connections checked compressor capacitor checked coil checked pressure and temp and they are ideal indicating zero leaks checked all other electrical connections unit tested unit operating normal at this time. Recommended duct cleaning and single or hole house surge protector. Also customer has problems with water air filter customer has model number and serial number but he is not finding any where. Customer needs fallow up.
Finished Heating Pm. Filters were replaced last visit. Inspected all heat exchangers. Inspected cleanliness of blowers and checked belt tension. Cleaned flame sensors and checked ignitor specs. Tested pilots and verified proper gas valve operation. Found 2 inducer motors vibrating, only needed to remove from mount and remount, unit vibration must have made them shift. Checked capacitors and contactors. Flushed out drains and poured bleach down per customer request. Called for heat and checked amperage and heat rise. Let systems satisfy thermostats. Put stats back to ac and checked operation of that as well. All units operating normal at this time.
Upon arrival I went to unit 2.2 and shut off power. Removed burner assembly from unit, then removed pilot assembly from burner. Replaced pilot assembly with new one. Mounted everything back into unit then tested pilot, adjusted set screw for correct height and watched burners light. Put all panels back on unit and ran heat to test. Normal amp draw, normal gas flow rate, normal heat rise. Unit operating normal.
Started Heating Pm but need to return to finish. Replaced all filters. Supply house didnâ€™t carry belts so we need to replace those when we return. Flushed out all drains and poured a little bleach in traps per customers request. Inspected evap coils, blower wheels, and heat exchangers. Need to return to test units and check heating components.
Upon arrival I spoke with customer and he informed me that he tested all units in heat and corporate unit 2.2 on 1st floor isnâ€™t heating. Opened up panels and found spark Igniter not lighting pilot. Can see the spark but no flame. Removed pilot tube from gas valve and verified gas is being sent to pilot. Removed burner assembly from unit then removed pilot assembly. Found pilot hood is rusty and not letting any gas flow through. Cleaned out with WD40 and blew out with nitrogen, then wiped clean. Reinstalled pilot assembly and burner assembly to unit, returned power and tested. Pilot is now lighting but hood is not letting enough gas out to have unit sense the flame, you can just barely see the flame. Removed assembly again and tried to clean but found the same results once I put everything back together. Need to replace Pilot Assembly. Called office and they said suppliers donâ€™t have any on the shelf and it needs to be ordered.
Cleaned out ez-trap drain on hvac unit.
Upon arrival I was told that previous company had diagnosed system and they would like us to do the same and give them recommendations. Went to roof and found circuit 1 ac running with 7 degree delta air temp. Shut down unit and found circuit low on R22, high Superheat and low subcooling. Need to pressurize with nitrogen to find leak, repair, then recharge. I can see oil near suction line Tee so we should start there. Put gauges on 2nd Circuit to find suction pressure dropping very low. Can feel temperature difference between pipes on filter drier. Need to replace filter drier and pressure test with nitrogen for leaks. I then inspected rest of unit and found heat exchanger cracked in several areas. Quoting customer to replace. Finally I found blower motor variable pitch pulley too far open, causing motor to overheat and not move as much air. Closed pulley to raise belt on shaft which lowered amperage and increased speed to normal rate. In total, customer needs leak search and repair do
Re cut csst and secured joint
Add new gas lines and water heater tankless
Replace wire - did not need to replace pump
Water piping leading to and at the heat exchanger coaxial coil has several pin hole leaks. I spoke with the customer and the service manager and CSR. Customer awaiting final credits from Climate Master to have repairs made. Unit not operating normal. Plumber to gather water sample tomorrow for testing.
Check well electrical connections
Need to order tankless water heater propane and 3/4 gas line for job
Service call08/14/19 On arrival customer explained to me what happened to the unit water is leaking out set unit to call for cooling measured supply and return air temp measured voltage and amps inspected electrical connections checked drain checked air filter checked evaporator coil pan tested with water checked outdoor door unit checked electrical connections checked voltage and amps measured pressure and temp and they are ideal indicating zero leaks. I recommended to cleaned Evaporator coil and cleaned condenser drain pipe with nitrogen but I donâ€™t see any leaks or cracks on drain line I gave quote for customer she didnâ€™t accept the quote she is going to wait if happened again collected $89 dispatch fee unit operating normal at this time.
Found eight in storm drain backing up system should be jetted we need to email our recommended jetting company and ask Denny about billing
The only issue I could find with this unit was too high of a temperature delta across the coil. The coil and filters were clean. The belt was not only loose but the pulley had been opened up so much that it could not be adequately tensioned. I used the pulley wheel adjustment to close the wheel 3 turns. I tried going 5 turns but then the belt had too much tension. I backed off until I had a good tension. Making this pulley adjustment Increases CFM. I increased CFM to the maximum amount while keeping with the B65 belt. I turned the unit back on and the airflow difference was noticeable as the temperature delta was in a normal range. This was the only problem I could find as the drain pan is not clogged and there was condensation forming on the metal inside the blower cabinet then dripping down into the duct below. I checked in and out with two different managers. I told the manager I checked out with that I could not access the duct to dry up the moisture that was already there but that
Upon arrival I met customer on site but he didnâ€™t stay long. He signed ticket and let me up on roof but asked for me to call when I was finished. Went to roof and performed pm on 1 RTU System. Replaced both 20x25x1 filters. A44 belt ok. Cleaned condenser coil. Evap coil and blower are clean. Checked capacitor and contactors. Tightened electrical connections. Ran ac and checked refrigerant pressures and temps. Measured amp draw of compressor, od fan, and blower. R22 refrigerant pressures low, Superheat very high, delta air temp low. Customer said that unit has been working fine for them but I suggest performing a leak search and repair, 9.2 lbs R22 system. Preparing quote for customer.
Upon arrival I was directed to Bryan, who explained that they have 3 RTUs, 1 for lobby and 2 for labs in back. He also said that they have been experiencing high humidity in lobby but they are interested in PM contract with us. I was then shown to thermostats and roof ladder in mechanical room. Went to roof and found rooftop units. Wrote down Model and serial numbers, belt and filter sizes. Found both lab units are heating and cooling at the same time. Thermostats indicate heat on, while Humidistat in returns are calling for AC to run. Per notes in both Lennox units, Humidistats located in return duct set for 50%, thermostat set to auto only in summer for heat operation to balance humidity. In short both gas furnace and compressors are running, heating and cooling to bring down humidity. Fresh air dampers closed. Operating controls indicate proper operation and customer is ok with indoor temp and humidity currently but mentioned problems in the past. I also found that left lab RTU has
Installation of Amana Heat Pump Air Handler MN# ASPT29 Heat Pump MN# ASZ160241 Total Job 8765.00
Upon arrival system running to specs, all system components running to spec, system already has necessary accessories, nothing to add.
I installed an EZ Trap and wired it in to turn the downstairs unit off if the drain backs up. I poured water through several times after completing it to check for proper drainage.
Spring Pm On 05/16/19 On arrival set units to call for cooling measured supply and return air temp measured voltage and amps inspected electrical connections checked drain and cleaned checked filter highly recommended Air filter for all units needs to be replaced on time checked compressor capacitor checked water pressure and temp checked all other electrical connections HIGHLY RECOMMENDED ALL UNITS NEED UV LIGHTS INSTALLATION AND ALSO DUCTS NEED TO BE CLEANED unit has problems with dust and dogs hair units tested units operating normal at this time.