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
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.
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.
Completed installation of 50-gallon Rheem Marathon electric water heater, including filling tank and purging air from the system. During system startup and testing, discovered internal leak at bottom of existing 105-gallon Rheem Marathon tank (Model: MR10528, Serial: 0312W36790, manufactured May 2012). Determined tank failure is non-repairable internal defect requiring complete unit replacement. Documented equipment information and captured photographic evidence of failed unit for warranty verification purposes, including images of tank identification labels, plumbing connections, expansion tank, and overall system configuration.
Removed and disposed of existing geothermal equipment and installed complete dual fuel heating and cooling system. Installed Carrier 59SC2E080M21 96% two-stage gas furnace with variable speed blower for natural gas operation in attic space. Mounted Carrier 27SCA542A003 3.5-ton 15 SEER heat pump outdoor unit on pressure-treated wood platform. Installed Carrier CAAMP6121 evaporator coil and fabricated metal duct transitions to adapt new equipment to existing ductwork. Extended refrigerant lineset from basement geothermal cube location through exterior wall to new outdoor unit position. Replaced outdoor disconnect and electrical whip to meet code requirements for new equipment. Reused existing filter rack at unit and provided two 20x20x5 filters with installation. Reused existing electrical service, condensate drain lines, and power connections where applicable. Installed Honeywell digital dual fuel thermostat system with wireless outdoor temperature sensor for optimized heating source se
Conducted on-site assessment of existing 40-gallon medium electric tank water heater in summer rental property experiencing inadequate hot water capacity. Evaluated current electrical service at breaker panel and documented existing water heater installation including copper supply piping and brass fittings in utility closet. Prepared estimate for conversion from electric tank water heater to propane-fired tankless system to improve hot water availability and accommodate seasonal rental demands prior to peak occupancy period.
Completed warranty replacement installation of Rheem tanked water heater. Removed existing failed unit and installed new tank with proper water supply connections, pressure relief valve, and electrical wiring to terminal block. Verified all plumbing connections for proper sealing, tested pressure gauge readings, and confirmed electrical connections with appropriate wire terminations. System tested and operational upon completion.
Performed comprehensive cooling system tune-up and inspection on single HVAC system. Verified thermostat operation and calibration, confirmed system settings at 71°F with proper display function. Completed preventive maintenance checklist including filter inspection, refrigerant level verification, electrical component testing, and overall system performance evaluation to ensure optimal efficiency and reliability for upcoming cooling season.
# HVAC Estimate - Replacement Summary Conducted site evaluation for 17-year-old geothermal system replacement serving upper level of residence. Primary concern identified as leaking indoor coil in basement-mounted geo cube unit, necessitating complete system replacement due to age and condition of equipment. Assessed existing upstairs air handler installation, originally converted from furnace configuration in 2009. Inspection revealed current system operating on inadequate 14-gauge wiring with 15-amp breaker and no auxiliary heat capability. Documented attic-mounted ductwork distribution system with metallic flexible ducts and existing insulation conditions. Examined basement mechanical room housing white air handler unit with associated refrigerant lines and condensate piping. Provided comprehensive replacement quote for new geothermal system including indoor coil and air handler. Advised customer that installation of air handler with auxiliary heat kit will require licensed elect
Conducted replacement estimate for 14-year-old HVAC system that is currently operational with no reported issues. Inspected existing air handler with digital control panels and insulated ductwork. Documented system condition with photographs for accurate replacement proposal.
Conducted on-site evaluation of non-operational Daikin mini-split system damaged by storm. Assessed exterior condenser unit mounted on concrete pad adjacent to residence. Documented existing installation configuration for replacement estimate purposes.
Performed scheduled geothermal system inspection on dual-system setup. Identified significant corrosion on evaporator coil mounting surface and weatherstripping deterioration on downstairs unit. Completed cooling system check (Q150/240) and documented that downstairs system cover requires replacement. Comprehensive tune-up included electrical testing with clamp meter and visual inspection of all accessible components.
Performed site assessment for potential system replacement of existing Coleman outdoor unit and indoor furnace. Customer is interested in upgrading to a Carrier inverter system. Current installation includes an aging Coleman condensing unit on concrete pad with visible weathering, alongside a standard efficiency furnace with conventional ductwork in utility space. Installation timeline targeted for early April.
Performed scheduled maintenance service on Navien NPE-240A2(NG) tankless water heater (serial #1009047). Completed comprehensive system flush to remove mineral buildup and sediment, ensuring optimal heat transfer and efficiency. Unit is functioning properly with all connections secure and no leaks detected.
Responded to service call for zone system temperature regulation issues. Performed combustion analysis with Bacharach analyzer confirming proper operation with 98.7% efficiency at 7.7% CO2. Conducted draft pressure testing with Fieldpiece gauge measuring 11.81 inwc, verifying adequate venting. System is now maintaining proper zone temperatures.
Diagnosed older Rheem system failing to reach setpoint. Measured supply air temperature at 91°F and verified gas valve voltage at 43.83V, confirming proper operation. System requires plumbing service scheduled for afternoon to address remaining issues affecting heat production.
Responded to service call for Rheem tankless water heater with reported leak and no hot water. Upon inspection, found issue with gas supply and water connections. Repaired faulty connection, verified proper operation of unit, and confirmed restoration of hot water service with no leaks present.