Professional hvac installation services for homes and businesses in San Marcos and surrounding California communities.
Replacing your San Marcos, California HVAC system with properly sized, high-efficiency equipment can reduce energy costs by 30 to 50 percent while improving comfort in every room. KIC Refrigeration handles equipment selection, ductwork modifications, refrigerant line installation, electrical upgrades, and full commissioning to verify rated SEER and AFUE performance from day one.
Properties throughout San Marcos (pop. 97,461) face unique demands when it comes to hvac installation. California heating loads, cooling calculations, and the insulation levels and duct configurations found in San Marcos homes all influence the approach we take. KIC Refrigeration tailors every hvac installation project to the conditions your property actually faces — no generic solutions.
Choosing the right contractor for hvac installation in San Marcos, CA makes all the difference between efficient comfort and a system that short-cycles. KIC Refrigeration uses Manual J load calculations, installs to manufacturer specifications, and backs every project with a warranty. Call (866) 858-2961 to schedule your free assessment.
From initial contact to final verification — here is how we handle hvac installation.
We survey your property, assess your existing HVAC infrastructure, and perform a Manual J load calculation to determine the correct system size. We evaluate ductwork condition, electrical capacity, and equipment location options.
KIC Refrigeration provides San Marcos, CA homeowners with a transparent equipment proposal that includes AHRI-matched system model numbers, certified efficiency ratings, projected energy cost savings versus your current system, all available rebates, a complete scope of work, and a fixed-price guarantee with no change orders.
At your San Marcos property, our team removes the old system, installs the new equipment on proper mounting and supports, connects refrigerant lines with nitrogen-purged brazing, wires all components to code, installs the thermostat, modifies ductwork as needed, and cleans up completely.
We start the new system, verify operation in all modes, measure airflow, check refrigerant charge, program the thermostat, register the warranty, and provide you with all documentation including equipment manuals, warranty cards, and commissioning readings.
Get answers to the hvac installation questions our customers ask most often.
Correct HVAC system sizing is determined by a Manual J residential load calculation — the ACCA industry standard — that accounts for your home square footage, ceiling height, insulation R-values, window area and U-factor, air infiltration rate, duct losses, occupancy, and the local CA winter and summer design temperatures. As a rough reference, a well-insulated 2,000-square-foot home in San Marcos typically needs a 2.5 to 3.5 ton system, while a poorly insulated home of the same size may need 4 tons. KIC Refrigeration never estimates by rule of thumb — we run a proper calculation for your specific San Marcos home to avoid oversizing, which causes short cycling, high humidity, and premature compressor wear.
The best HVAC brand depends on your budget, efficiency goals, warranty requirements, and desired features. Carrier, Trane, and Lennox are premium tier brands with extensive 10-year parts warranties and the widest selection of variable-speed equipment. Goodman, Rheem, and Ruud offer excellent value with solid warranties at a lower price point — often $2,000 to $4,000 less than premium brands for equivalent tonnage. Daikin and Mitsubishi lead the market in ductless mini-split and inverter heat pump technology. All major brands manufacture reliable equipment — proper installation quality matters more than the brand name on the box. KIC Refrigeration installs all major brands and recommends the best match for your San Marcos home and budget.
Yes, substantially. Replacing a 10 SEER air conditioner with a 16 SEER2 unit reduces cooling energy consumption by approximately 38 percent. Upgrading from an 80 AFUE furnace to a 96 AFUE condensing furnace saves 16 cents of every heating dollar — the old furnace sends 20 cents up the flue while the new one captures it. Combined with proper installation practices — correct refrigerant charge verified by superheat and subcooling, proper static pressure and airflow at 400 CFM per ton, sealed duct connections, and a programmable thermostat — a new system typically saves San Marcos homeowners $600 to $1,800 per year depending on home size, usage patterns, and local energy rates.
Complete HVAC installation in San Marcos ranges from $7,000 to $15,000 for a mid-efficiency furnace and AC combination — typically an 80 percent AFUE furnace paired with a 14.3 to 16 SEER2 condenser. High-efficiency systems with variable-speed blowers and two-stage or variable-speed compressors run $12,000 to $22,000 but deliver significantly lower operating costs and qualify for federal tax credits. Heat pump systems fall between $5,000 and $18,000 depending on whether the system is single-stage, variable-speed, or a dual-fuel configuration. Ductwork modifications or new duct runs add $1,000 to $5,000. KIC Refrigeration provides detailed written proposals for San Marcos homeowners with every cost itemized and no hidden fees.
Our reputation is built on certified technicians, honest pricing, and results that last.
"KIC Refrigeration does our annual HVAC inspection every fall. They always find the small stuff before it becomes expensive. Peace of mind is worth it."
"AC tune-up before summer. Technician was early, finished in about forty-five minutes, and gave me a clean bill of health on the system. Easy process."
"Called about a weird smell from the furnace. They came out, found a cracked heat exchanger, and explained the safety concern clearly. Grateful they caught it."