Heating & Air Conditioning in Pomona, CA

Dependable heating and cooling are essential in Pomona, where hot inland summers can place sustained demand on air conditioners and cool winter nights still require reliable heat. Connor Air Conditioning & Heating provides professional HVAC repair, installation and maintenance for homeowners and businesses throughout Pomona and nearby communities.

Since 1976, Connor Air has helped Southern California property owners solve comfort problems with careful diagnostics, experienced workmanship and properly designed HVAC solutions. Our NATE-certified technicians service all major equipment brands and work on central air conditioners, furnaces, heat pumps, packaged systems and ductless mini splits.

Whether your air conditioner has stopped cooling, your furnace is making an unfamiliar noise or an aging system needs to be replaced, our team will evaluate the equipment and explain the available options. Same-day service may be available when scheduling permits.

Call Connor Air at (626) 286-3157 to request heating and air conditioning service in Pomona.

Complete HVAC Services for Pomona Properties

Comfort problems are not always caused by a single failed component. Poor airflow, damaged ductwork, incorrect equipment sizing, dirty coils, electrical issues and aging insulation can all affect HVAC performance. Connor Air looks beyond the immediate symptom to identify the conditions affecting the entire system.

Our heating and air conditioning services include:

• Air conditioning diagnostics and repair
• Central air conditioning installation and replacement
• Furnace repair and replacement
• Heat pump installation and service
• Ductless mini split installation
• Preventive HVAC maintenance
• Airflow and ductwork evaluations
• Air duct cleaning
• Indoor air quality improvements
• Thermostat and zoning solutions

Our recommendations are based on the condition of the equipment, the building’s layout and the owner’s long-term comfort goals—not a one-size-fits-all sales approach.

Air Conditioning Repair in Pomona

Pomona’s inland location can expose cooling equipment to long operating cycles during the summer. As components wear, an air conditioner may run continuously, blow warm air, cool rooms unevenly or shut down unexpectedly. Prompt diagnosis can prevent a smaller issue from placing additional strain on the compressor, blower motor or electrical system.

Connor Air provides professional air conditioning repair for all major brands. Our technicians inspect the system carefully and diagnose problems involving refrigerant performance, airflow, thermostats, capacitors, contactors, motors, coils, drain lines and electrical controls.

Signs Your Air Conditioner Needs Professional Service

• Warm or insufficient air coming from the vents
• Weak airflow in one or more rooms
• The system starts and stops repeatedly
• The air conditioner runs without reaching the thermostat setting
• Unusual buzzing, grinding or rattling noises
• Water or condensation around the indoor equipment
• Unexpected increases in electricity use
• Some areas remain significantly warmer than others

A repair should address the cause of the failure rather than temporarily masking the symptom. After diagnosing the system, Connor Air will explain what failed, what is required to correct it and whether other conditions are affecting performance.

Air Conditioning Installation and Replacement

Replacing an air conditioner is an opportunity to improve more than basic cooling. Correctly selected equipment can deliver steadier temperatures, quieter operation, better airflow and lower energy consumption than an older or improperly sized system.

Successful installation begins with proper system design. Square footage alone does not determine the right equipment size. Insulation, window exposure, ceiling height, air leakage, duct condition and heat gain all affect the amount of cooling a property requires.

Connor Air provides professional air conditioning installation based on the actual requirements of the home or building. Our team can evaluate existing equipment, inspect accessible ductwork and complete a load calculation when needed to avoid the comfort and efficiency problems caused by oversized or undersized equipment.

When Replacement May Be the Better Decision

Not every air conditioning problem requires new equipment. Repair may remain the practical choice when the system is in otherwise good condition and the failure is limited. Replacement deserves consideration when:

• The equipment requires increasingly frequent repairs
• The system is approaching or has exceeded its expected service life
• Cooling performance remains inconsistent after repairs
• Electricity costs have increased without a clear change in usage
• Major components have failed
• The system was not sized or installed correctly
• Comfort problems affect multiple areas of the property

Connor Air will evaluate the condition of the system and provide a clear explanation of repair and replacement options so you can make an informed decision.

Heating and Furnace Services

Although Pomona is known for warm weather, winter mornings and evenings can still become uncomfortable without dependable heat. Connor Air repairs and replaces residential and light-commercial heating equipment, including gas furnaces, heat pumps and packaged systems.

Heating problems may involve ignition components, flame sensors, blower motors, electrical controls, thermostats, airflow restrictions or safety switches. Our technicians inspect the equipment and identify the source of the problem before recommending repairs.

When an aging furnace can no longer operate dependably, Connor Air also provides professional furnace installation. Equipment selection and installation are completed with attention to airflow, capacity, venting, electrical connections and manufacturer requirements.

Common Signs of a Heating Problem

• The furnace does not start or stay running
• The system blows cool or lukewarm air
• The blower operates continuously
• Rooms heat unevenly
• The system makes banging, squealing or rattling noises
• The thermostat does not control the equipment correctly
• Heating costs increase unexpectedly
• The equipment produces unusual odors

Heating equipment involves electrical, fuel-burning and ventilation components. Professional inspection is important when a furnace is operating abnormally or repeatedly shutting down.

Heat Pump Installation for Year-Round Comfort

Heat pumps provide both heating and cooling through one system, making them an increasingly practical choice for Southern California properties. Rather than generating heat in the same manner as a conventional furnace, a heat pump transfers heat between indoors and outdoors.

Connor Air provides heat pump installation for property owners interested in efficient, all-electric comfort. Our team evaluates the building, electrical service, ductwork and equipment location before recommending a system.

Heat pumps are available in central ducted, ductless and variable-capacity configurations. The right option depends on the property’s existing infrastructure, room layout and temperature-control requirements.

Ductless Mini Splits for Additions and Hard-to-Condition Rooms

Some Pomona homes have additions, converted garages, enclosed patios or upstairs rooms that are difficult to keep comfortable with the central HVAC system. Other older properties may not have ductwork capable of supporting conventional central heating and cooling.

A ductless mini split can provide targeted comfort without extending a full duct system into the space. Individual indoor units allow separate temperature control, which can reduce the need to condition unused areas of the property.

Connor Air provides professional mini split installation for single-room and multi-zone applications. Proper placement and sizing are essential to achieve effective airflow, quiet operation and reliable temperature control.

Preventive HVAC Maintenance

Heating and cooling equipment performs best when it is kept clean, adjusted and inspected. Pomona’s warm summers can expose air conditioners to extended run times, making spring maintenance particularly valuable before peak cooling demand begins.

Professional HVAC maintenance can help identify worn electrical components, restricted airflow, drainage issues and other developing problems before they lead to a breakdown.

Depending on the system, maintenance may include:

• Inspecting electrical connections and operating components
• Checking temperature performance and system controls
• Examining accessible coils and drainage components
• Inspecting filters and airflow conditions
• Testing the thermostat
• Checking the blower assembly
• Looking for signs of abnormal wear or operation
• Reviewing equipment condition with the property owner

Maintenance cannot eliminate every future repair, but it can reduce avoidable strain and help equipment operate more consistently.

Air Duct Cleaning and Airflow Concerns

Ductwork affects how conditioned air moves throughout a property. When ducts are dirty, damaged, poorly connected or incorrectly sized, rooms may receive inconsistent airflow even when the heating and cooling equipment itself is operating.

Connor Air provides professional air duct cleaning for qualifying systems. Cleaning may be appropriate when accessible ducts contain substantial dust or debris, after certain remodeling projects or when contamination has entered the duct system.

Cleaning is not a substitute for repairing leaks or correcting a poor duct design. When comfort problems involve airflow, our team can help determine whether the cause is debris, duct leakage, restrictions, equipment performance or another system condition.

HVAC Challenges in Pomona Homes and Buildings

Pomona includes historic neighborhoods, mid-century homes, newer residential developments, multifamily properties and commercial buildings. These different property types do not share the same HVAC requirements.

Homes near the Lincoln Park Historic District may have older construction, limited mechanical space or duct systems that have been modified over time. Properties in Phillips Ranch may have larger floor plans, vaulted ceilings or multiple levels that require careful airflow balancing. Additions and garage conversions throughout the city may also need independent temperature control when extending the central system is impractical.

Additional conditions that can affect local HVAC performance include:

• High attic temperatures during inland summer weather
• Aging or compressed attic insulation
• Older ductwork with air leakage
• Sun exposure through large west-facing windows
• Equipment installed without adequate load calculations
• Room additions that changed the original cooling load
• Airflow restrictions caused by undersized returns
• Outdoor dust and airborne particles entering the home

A professional HVAC evaluation should account for the building—not just the model number on the outdoor unit. Connor Air considers equipment condition, airflow, ductwork and property characteristics when developing recommendations.

Why Pomona Property Owners Choose Connor Air

Connor Air Conditioning & Heating has served Los Angeles County and the San Gabriel Valley since 1976. That experience includes decades of changing equipment technology, efficiency standards, refrigerants and installation requirements.

Customers choose Connor Air for:

• Heating and air conditioning experience dating back to 1976
• NATE-certified technicians
• Service for all major HVAC brands
• Careful diagnostics and straightforward recommendations
• Professional system sizing and installation practices
• Repair, replacement and maintenance capabilities
• Heat pump and ductless mini split expertise
• Same-day appointments when availability permits
• Local service from an established Southern California contractor

Our objective is to solve the comfort problem correctly and help the equipment provide dependable service over the long term.

Serving Pomona and Nearby Communities

Connor Air serves customers throughout Pomona, including Phillips Ranch, Westmont, the Lincoln Park area and neighborhoods near Downtown Pomona, Ganesha Hills and Cal Poly Pomona. We also provide heating and cooling services in nearby communities such as Claremont, La Verne, San Dimas and surrounding areas.

Schedule Heating and Air Conditioning Service in Pomona

Whether you need an air conditioning repair, a heating inspection, preventive maintenance or an estimate for new equipment, Connor Air is ready to help. Our technicians will evaluate the system, explain the findings and recommend an appropriate solution for your property.

Call (626) 286-3157 or request HVAC service online. Same-day appointments may be available based on the schedule.

Frequently Asked Questions

Does Connor Air provide same-day HVAC service in Pomona?

Connor Air offers same-day heating and air conditioning service when appointment availability permits. Calling earlier in the day provides the best opportunity for a same-day visit.

Should I repair or replace my air conditioner?

Repair may be appropriate when the system is otherwise dependable and the problem is limited to a repairable component. Replacement may provide better long-term value when equipment is aging, inefficient, frequently breaking down or unable to maintain comfortable temperatures. Connor Air can inspect the system and explain both options.

How often should my HVAC system receive maintenance?

Most systems benefit from professional maintenance before the cooling season and again before the heating season. Regular inspections help maintain airflow, identify worn parts and reduce the risk of preventable breakdowns.

Does Connor Air install heat pumps in Pomona?

Yes. Connor Air installs central and ductless heat pump systems that provide both heating and cooling. Our team evaluates the property, electrical requirements, duct condition and comfort goals before recommending equipment.

Are ductless mini splits suitable for older homes?

Mini splits can be well suited to older properties without usable ductwork, converted garages, room additions and areas that need independent temperature control. Proper sizing and indoor-unit placement are essential for good performance.

What HVAC brands does Connor Air service?

Connor Air services all major heating and air conditioning brands. Our technicians work on central air conditioners, furnaces, heat pumps, packaged equipment and ductless mini splits.