Lewes, DE
As Delaware's first town, Lewes has weathered centuries of change, but no amount of history prepares a homeowner for a failing air conditioner in the thick of a mid-Atlantic summer. From the quiet streets of Cape Henlopen to the busy waterfront, Lewes, DE, residents know that coastal heat and humidity are serious business from June through September. Custom Mechanical has been the Delmarva region's go-to heating and air conditioning service provider since 1981, bringing licensed expertise, honest pricing and rapid response times to one of Delaware's most treasured communities. When the heat rolls in off the Delaware Bay, we make sure you're ready for it.
Emergency Air Conditioning Repair in Lewes, DE
A cooling system that struggles to keep pace with Lewes' summers burns through energy and money with every cycle. Inefficient AC systems can consume up to 20% more electricity than properly maintained air conditioners, resulting in higher cooling bills month after month. Custom Mechanical's certified service technicians perform thorough diagnostic evaluations to identify the exact cause of your AC system's underperformance, whether that's a refrigerant imbalance, a failing compressor, clogged air filters or deteriorating ductwork. Our air conditioning repair process is transparent from start to finish. We explain what we find, outline your options clearly and complete most AC repairs in Lewes, DE, on the first visit, thanks to our fully stocked service vehicles.
Extend Equipment Life With Seasonal HVAC Tuneups in Lewes, DE
Lewes, DE, homeowners who invest in seasonal HVAC tuneups consistently get more years out of their equipment and spend less on heating and air conditioning repairs over time. The logic is straightforward: a system that's cleaned, calibrated and inspected regularly runs more efficiently, experiences less mechanical stress and is far less likely to fail at the worst possible moment. Custom Mechanical's comprehensive heating and air conditioning service visits cover every critical component, from heat exchanger inspections and refrigerant level checks to blower motor testing and thermostat calibration. Think of it as putting your system through its paces before the demands of the season.
Future-Proof Your Lewes, DE, Home with a High-Efficiency Upgrade
Lewes, DE, is a community that values preservation. But when it comes to your HVAC equipment, clinging to an aging system past its prime is a costly habit. Most central air conditioners have a functional lifespan of 15 to 20 years, and systems approaching that range operate at a fraction of their original efficiency regardless of how well they have been maintained. Today's ENERGY STAR-certified heating and cooling systems deliver measurably superior performance. Custom Mechanical guides Lewes homeowners through every step of the upgrade process, from selecting the right system size and brand to professional installation and post-installation support.
Ready to make the upgrade that pays for itself? Call Custom Mechanical today to learn more about our heating and air conditioning services in Lewes, DE.
Recent Jobs and Reviews in Lewes, DE
Job Locations and Reviews
David A.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed American Standard S9V2C080U4PSC 96% two-stage gas furnace with variable speed blower, American Standard 5A7A7048A1000 4-ton 17 SEER two-stage air conditioner with 5TXCC007AS3HC evaporator coil, and LP conversion kit. Mounted outdoor unit on pressure-treated wood platform and replaced outdoor disconnect with new electrical whip. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork. Reused existing electrical connections, condensate lines, and power lines where applicable. Installed Honeywell THX1200W5 digital WiFi thermostat for system control. Supplied and installed two 20x20x4 filters at unit. Performed combustion analysis verifying oxygen levels at 10.3% and carbon monoxide at 16 ppm, with draft pressure reading at 9.99 inches water column. System tested and operational upon completion.
Lewes, DE 19958
Kenneth N.
Performed comprehensive tankless water heater maintenance flush and inspection. Conducted descaling procedure on unit, flushed internal heat exchanger to remove mineral buildup, verified proper operation of all inlet and outlet valves, and confirmed system functionality. Water filtration system components inspected and found in good working condition.
Lewes, DE 19958
Heather K.
Performed diagnostic evaluation on 16-year-old residential HVAC system with critically low refrigerant charge. System found to be nearly flat, indicating potential coil leak or system failure. Customer declined refrigerant recharge and requested multiple replacement estimates including isolated coil replacement, air conditioning components only (indoor and outdoor coils), and complete system replacement options. Documented existing Daimons furnace installation in attic space with current Honeywell thermostat displaying 87°F, photographed equipment and configuration for estimate preparation.
Lewes, DE 19958
Gregory S.
# HVAC Service Call - No Cooling Issue Responded to service call for unit not maintaining set temperature. Upon arrival, performed diagnostic evaluation of system located in attic space. Inspected ductwork configuration including both rigid and flexible sections with reflective insulation. Examined air handler and associated electrical components mounted in attic crawl space. Verified proper duct connections and assessed overall system integrity. Checked electrical wiring, conduit routing, and junction box connections serving the HVAC equipment. Evaluated emergency shut-off controls and system safety devices. Customer was informed of diagnostic findings and provided repair options with associated discount. System requires additional repairs to restore proper cooling function.
Lewes, DE 19958
Gardo V.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed Lennox ML14KP1-036 3-ton 14 SEER heat pump on existing outdoor platform with new electrical disconnect and whip. Interior installation consisted of Lennox CBK45UHET-036 air handler configured with downflow kit and 10kw electric heat pack. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork. Reused existing refrigerant lines, condensate drain, and power supply where applicable. Upgraded system controls with Honeywell S1200 digital WiFi thermostat for enhanced climate management and remote access capability. All components tested and verified operational upon completion.
Lewes, DE 19958
Federico P.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed 2-ton 17 SEER heat pump outdoor unit (5A6H7024) on pressure-treated wood platform with electrical whip and disconnect. Installed variable speed fan coil unit (5TEM6B02) in attic space with drain pan and shut-off valve. Added 10KW electric heat strip with breaker (HTR1510BRKR) for supplemental heating. Installed 1-inch filter rack and WiFi-enabled thermostat (THX1200W) for system control. Flushed existing refrigeration lines, performed pressure test to verify system integrity, and recharged system to manufacturer specifications. Verified proper system operation with manifold gauges showing appropriate pressures and temperatures across both high and low sides. System commissioned and operational for this 2-system home with 1-year contract extension included.
Lewes, DE 19958
Derrick J.
Completed warranty repair on upstairs Trane air handler system (Model: TAM9A0C36V31DAB, Serial: 20532BCE1V). Replaced failed EEV valve body with stem, EEV strainer on liquid line, EEV control board, and filter drier. System restored to proper cooling operation with thermostat displaying normal function at 74° setpoint.
Lewes, DE 19958
Tanner H.
# HVAC Service - No Cool 10+ Years Old Responded to no cooling call on aging residential HVAC system. Upon arrival, found evaporator coil experiencing severe frosting condition. System was immediately shut down to prevent compressor damage and allow ice accumulation to thaw. Performed comprehensive diagnostic evaluation including refrigerant charge verification and airflow testing. Conducted detailed system assessment revealing airflow deficiency measuring 15% below manufacturer specifications. Identified restriction in ductwork system contributing to reduced airflow across evaporator coil, resulting in coil temperature drop below freezing point and subsequent ice formation. Evaluated blower performance and verified proper fan operation. Performed refrigerant charge analysis and confirmed system operating within acceptable parameters once ice had melted and airflow was restored. Inspected attic-mounted air handler and associated ductwork for proper installation and clearances. Verif
Lewes, DE 19958
Frankie C.
Completed full HVAC system replacement including removal and disposal of existing equipment. Installed American Standard 5A6H7048A1000 4-ton 17 SEER two-stage heat pump on plastic pad with snow legs per specifications. Mounted American Standard 5TEM6D06AV41S variable speed air handler in interior utility space with American Standard BAYHTR1517 15 kW electric heat pack and BAYSF1235 23.5" filter rack. Fabricated and installed metal duct transitions to adapt new equipment to existing ductwork. Replaced outdoor disconnect and electrical whip while reusing existing electrical service, condensation lines, and power lines where applicable. Installed Honeywell Digital WiFi Thermostat Elite Pro S1200 THX1200 for system control. Performed refrigerant charging and system startup procedures, verified proper operation using manifold gauges with system readings showing appropriate pressures and temperatures. System tested and confirmed operational with one-year parts and labor warranty from install
Lewes, DE 19958
Derrick J.
Completed preventative maintenance cooling system inspection on multi-zone HVAC system. Inspected and photographed HZ322 zone control panel with multiple heating and cooling zones, verified all indicator lights and digital display functionality, and checked terminal connections for proper wiring integrity. Inspected ductwork insulation and air handler unit in mechanical space, confirming proper installation and operation of flexible duct system with reflective insulation wrapping and reinforcement bands intact.
Lewes, DE 19958
Heather K.
Conducted on-site evaluation of existing HVAC system for replacement estimate. Assessed outdoor condensing unit located on grade-level pad adjacent to structure, noting unit specifications and current operating condition. Inspected electrical service components including exterior disconnect box and associated conduit routing. Evaluated main electrical panel configuration, verified available amperage capacity, and documented existing circuit breaker arrangement to ensure compatibility with proposed replacement equipment. Provided comprehensive system replacement recommendations based on current equipment assessment and electrical infrastructure review.
Lewes, DE 19958
Heather K.
Conducted on-site evaluation of 30-year-old HVAC system located in basement for replacement estimate. Documented existing Bryant furnace and air handler equipment with photos, assessed current installation configuration including ductwork connections and PVC condensate drainage system. Customer is obtaining multiple estimates for complete system replacement.
Lewes, DE 19958
Derrick J.
Responded to no cooling or heating call and performed diagnostic inspection of HVAC system. Upon arrival, confirmed system was not operating in either heating or cooling mode. Conducted thorough examination of internal components including evaporator coil, refrigerant lines, electrical connections, and capacitor. Inspected wiring harnesses, wire nuts, and all electrical terminations for proper connections and signs of failure. Documented system condition with photos showing coil assembly, copper refrigerant piping, capacitor, and complete wiring configuration for further evaluation and repair recommendations.
Lewes, DE 19958
Kenneth N.
Performed comprehensive inspection and flush service on wall-mounted tankless water heater unit. Accessed internal components, verified proper operation of heating elements and control systems, and completed descaling flush procedure to remove mineral buildup and maintain optimal efficiency. All plumbing connections, copper piping, expansion tank, and PVC exhaust venting were inspected and confirmed to be functioning properly with no leaks detected.
Lewes, DE 19958
Derrick J.
Performed preventive maintenance inspection on ductless mini-split system as part of post-installation agreement coverage. Evaluated outdoor condenser unit condition, noting accumulated debris and weathering on exterior surfaces and coil assembly. Recorded indoor temperature readings at 68.5°F to verify system performance and proper operation of heating/cooling functions.
Lewes, DE 19958
Derrick J.
Responded to no cooling call on system less than 10 years old. Performed diagnostic evaluation using thermal imaging camera to identify temperature differentials and potential component failures. Customer was informed of findings and repair options with available discount, and photos were documented for service records.
Lewes, DE 19958
Kenneth N.
Completed warranty repair on Rheem Marathon water heater Model MR50245 by installing two OEM 240V/4500W screw-in heating elements. Drained unit, removed failed elements, installed replacement components with proper torque specifications, refilled system, and verified operation. Unit tested successfully with all functions operating within normal parameters and no error codes displayed on control panel.
Lewes, DE 19958
Derrick J.
Completed routine cooling maintenance visit on outdoor condenser unit. Unit exterior screening was heavily soiled with accumulated debris, dried leaves, and organic matter affecting airflow efficiency. Cleaned condenser coils and exterior surfaces, removed debris from fan guard and surrounding area, and verified proper system operation upon completion.
Lewes, DE 19958
Gregory S.
Responded to no cooling complaint on residential air conditioning system. Accessed outdoor condenser unit and crawlspace entry to perform diagnostic evaluation and preventive maintenance service. System was not maintaining adequate temperature differential, with indoor conditions elevated above setpoint. Completed full system inspection, performance testing, and tune-up procedures to restore proper cooling operation and efficiency.
Lewes, DE 19958
Dylan L.
Completed scheduled cooling maintenance visit on residential HVAC system. Performed electrical diagnostics using clamp meter to verify proper amperage draw and system operation at outdoor condensing unit. Measured current readings on compressor circuit and confirmed electrical connections at capacitor terminals were secure and within manufacturer specifications. Verified thermostat operation and settings, noting system currently in heating mode with temperature set to 74°F and fan set to auto operation. All electrical components functioning properly with no deficiencies noted during inspection.
Lewes, DE 19958
