Completed projects, real photos, clear scope of work
Browse Cold Cloud Mechanical project case studies to see how each HVAC system was planned, installed, commissioned and matched to the actual needs of the property.
Each project includes photos, equipment details, scope of work and the comfort problems the system was designed to solve.
Historic Glendale Home: Planned in 3D, Built to the Model
A three-level historic home with an undersized single-stage system got a zoned Daikin VRV heat pump, laid out in a 3D model before installation.
- Daikin VRV heat pump, 3 zones
- 3D model of the mechanical closet
- Custom plenums and brass registers
A Daikin Refrigerant Leak, Found Section by Section
A Daikin ducted system was losing refrigerant. We pressure tested each section, found the leaking evaporator coil and replaced it under the parts warranty.
- Nitrogen pressure test, section by section
- Evaporator coil replaced under parts warranty
- Held 340–350 psi overnight before recharge
Carrier AC Repair: A Failed Capacitor and a Low Charge
A Carrier AC cooled on and off. We found a failed dual run capacitor and a low charge, then set the charge by subcooling to spec.
- New dual run capacitor
- Hard start kit on the compressor
- Subcooling 4.4°F to 10.6°F, target 10°F
Eaton Fire HVAC Rebuild with Three Heat Pump Zones
Smoke- and ash-contaminated HVAC replaced with three heat pump zones, all-new suspended ductwork, an LA County permit and HERS verification.
- Three heat pump zones, gas furnace retired
- All-new ductwork to a Manual D design
- LA County permit, HERS, final inspection
Sierra Madre, CA 91024 Whole-Home Daikin Heat Pump and Garage Mini-Split Installation
A planned HVAC replacement became a full comfort redesign with a Daikin inverter heat pump, R8 ductwork, Manual J sizing and garage office zoning.
- 4-ton Daikin inverter heat pump
- Full R8 insulated duct replacement
- Dual-zone garage office mini-split
Whole-Home Heat Pump Conversion with Full Duct System Replacement
A full all-electric Daikin heat pump conversion with R-8 duct replacement, Manual J/D design, HERS testing, LADBS permit approval and rebate support.
- Daikin DH7 5-ton heat pump
- Full R-8 duct system replacement
- $6,500 in client savings secured
Daikin Fit DH7 Installation with Return Correction and Duct Rebalance
A single-stage HVAC system was replaced with a Daikin Fit DH7, while return sizing, rooftop duct sealing, garage duct insulation and room-by-room airflow were corrected.
- Second 16-inch return duct added
- Daikin One MERV 15 air cleaner
- $5,900 total rebate value
Pasadena, CA 91104 Daikin 3.5-Ton Rooftop Package Unit Replacement
A 22-year-old rooftop package unit was replaced with a new Daikin 3.5-ton gas and electric rooftop package system, sized by Manual J and installed with permit coordination.
- Daikin DP3UM4208031A package unit
- 14.3 SEER2 efficiency rating
- Full permit and inspection completed
Pasadena, CA 91107 Daikin Rooftop HVAC Installation
A packaged gas/electric rooftop HVAC replacement with a Daikin 3-ton single-stage unit, new curb cap, new plenums, gas line, permit and HERS testing.
- Daikin DP3UM3606031A, 3 ton
- New 52x52 curb cap and plenums
- Permit and HERS coordination
Glassell Park / Mount Washington, CA 90065 40-Year-Old AC Replaced with Daikin DH6 Heat Pump
A failed 40-year-old AC and gas furnace were replaced with a Daikin DH6 heat pump, attic air handler relocation, ductwork redesign and rebate support.
- Daikin DH6 3.5-ton heat pump
- Manual J and Manual D duct design
- $3,850 LADWP rebate value
2.5-Ton Goodman Heat Pump Replacement
A full split heat pump system changeout with a matched Goodman R-32 condenser and ECM air handler, permit handling, Title 24 documentation, startup and commissioning.
- Goodman GLZS4BA3010A condenser
- Goodman ECM multi-position air handler
- 10-year parts warranty registered
New 2-Ton Heat Pump Split Installation
A Goodman 2-ton single-stage rooftop heat pump was paired with a First Company ceiling-mount fan coil for a Pasadena condo near Old Pasadena.
- Goodman GLZS4BA2410A rooftop heat pump
- First Company ceiling-mount fan coil
- Permit, Title 24 and HERS coordination
Daikin FIT DH7 Heat Pump Replacement
An original 1981 split system was replaced with a quiet Daikin FIT DH7 variable-speed heat pump, matched air handler, R-32 refrigerant and Glendale permit documentation.
- Daikin FIT DH7 3-ton heat pump
- Matched Daikin indoor air handler
- City permit, Title 24 and GWP rebate paperwork
Alhambra, CA 91801 Daikin DH6 Heat Pump Installation with Full Duct Replacement
A full HVAC replacement with a 4-ton Daikin DH6 variable-speed heat pump, matched ECM air handler, Daikin One air cleaner and complete R-8 duct rebuild.
- 4-ton Daikin DH6 inverter heat pump
- Full R-8 flex duct replacement
- Room-by-room Manual D airflow design
Wildfire Rebuild HVAC Replacement with Daikin DH6 Heat Pumps
A two-system Daikin DH6 inverter heat pump installation with full R-8 ductwork replacement, bedroom-side zoning, dedicated master return and room-by-room balancing.
- Two Daikin DH6 inverter heat pump systems
- Full R-8 ductwork replacement
- Two-zone bedroom-side comfort control
Granada Hills, CA 91344 Rooftop Package Unit Replacement in Granada Hills
A rooftop gas/electric package unit was replaced with a new Goodman 3.5-ton R-32 system, including crane placement, custom curb adapter work, return rebuild, condensate correction and compliance documentation.
- Goodman GPUM34208031A, 3.5 ton
- Fabricated curb adapter and airtight return rebuild
- Permit, Title 24 and HERS coordination
Planning an HVAC upgrade or replacement?
Cold Cloud Mechanical designs HVAC systems around the actual load of the space, airflow requirements, equipment performance and the comfort issues the old system could not solve.
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