- HEP HVAC
- Air Conditioning

Air Conditioning
Air Conditioning | Heating and Air Conditioning | Jonesborough
When summer cranks up the humidity in Jonesborough, locals turn to HEP’s Heating & Air Conditioning for cool, consistent comfort. Our certified technicians bring decades of experience to every home or business, handling everything from precision AC installations to 24/7 emergency repairs with the same neighborly care that’s made us an East Tennessee favorite. We work with all major brands, tailor system sizing to your space, and back every job with transparent pricing—so the only surprise you’ll feel is how quickly the temperature drops when we’re finished.
Regular maintenance is the secret to an efficient, long-lasting air conditioner, and HEP makes it effortless. A quick call puts you on our preventive service schedule, where we clean coils, check refrigerant levels, and catch small issues before they become budget-busting breakdowns. Whether you need a high-efficiency upgrade, a fast repair, or just peace of mind during the hottest days on record, HEP’s Heating & Air Conditioning keeps Jonesborough comfortably ahead of the heat.
What our customers say
Reliable Air Conditioning Expertise in Jonesborough
When the summer sun turns the rolling hills of Jonesborough into a sweltering landscape, residents depend on HEP company for steady, efficient air conditioning. With a focus on precision workmanship and up-to-date industry practices, the team delivers solutions that align with local weather patterns, building codes, and the distinct architectural styles found in Washington County. HEP technicians arrive equipped with advanced diagnostic tools, ensuring every cooling challenge—large or small—is resolved quickly and correctly.
Key Elements of HEP Air Conditioning Service
- Thorough load calculations to size each system accurately
- EPA-certified refrigerant handling that prevents leaks and protects the environment
- Airflow optimization techniques that balance comfort across every room
- Use of factory-authorized parts to preserve manufacturer warranties
- Ongoing technician training to maintain cutting-edge skill sets
Comprehensive Heating and Cooling Solutions
HEP company understands that comfortable living in Jonesborough depends on reliable heating as much as it does on powerful air conditioning. From heat pumps that cool in summer and warm in winter to traditional gas furnaces paired with high-efficiency air handlers, HEP engineers systems that provide year-round dependability.
Air Conditioning Installation Tailored to Jonesborough Homes
Every home—from historic downtown residences to newly built subdivisions—has unique requirements. HEP offers a consultative process that takes into account square footage, insulation levels, window orientation, and homeowner lifestyle. This approach ensures that the selected air conditioning unit delivers optimal cooling without wasting energy.
Installation Phases
- In-depth assessment of existing electrical infrastructure
- Calculation of Manual J, S, and D values to confirm capacity, equipment selection, and duct sizing
- Removal of outdated units with eco-friendly disposal practices
- Precise placement of the condenser to encourage adequate airflow and minimize noise
- Commissioning, which includes refrigerant charge verification, airflow measurement, and thermostat calibration
Precision AC Repair for Consistent Comfort
Unexpected breakdowns can strike on the hottest day of July. HEP’s repair specialists troubleshoot compressors, evaporator coils, motors, capacitors, and control boards to bring systems back online rapidly. By utilizing real-time performance data retrieved through digital gauges and infrared thermometers, they find hidden faults that might otherwise linger unnoticed.
Common issues resolved by HEP include:
- Low refrigerant due to microscopic leaks
- Frozen evaporator coils caused by airflow restrictions
- Short-cycling from oversized equipment or faulty control boards
- Unusual sounds that indicate worn bearings or loose components
- High humidity arising from inaccurate blower settings
Proactive Maintenance Programs
Preventive care is the backbone of efficient HVAC operation. HEP’s maintenance plans are designed around the seasonal climate of Jonesborough, emphasizing pre-summer inspections and pre-winter tune-ups.
Maintenance checklist highlights:
- Cleaning condenser and evaporator coils to restore heat transfer capacity
- Tightening electrical connections for safety and performance
- Lubricating moving parts to reduce friction and wear
- Verifying thermostat accuracy for precise temperature control
- Inspecting condensate drains to prevent water damage and microbial growth
Specialized Heat Pump Services
Heat pumps are increasingly popular in Northeast Tennessee due to their ability to both heat and cool while keeping utility costs under control. HEP technicians excel at designing and servicing heat pump systems that thrive in the region’s moderate winters and hot summers.
Heat Pump Installation
By pairing variable-speed compressors with advanced inverter technology, HEP delivers heat pumps that adjust output according to real-time demand. This reduces energy spikes, prevents temperature swings, and extends system lifespan.
Installation advantages include:
- Seamless zoning options for multi-level homes
- Integration with existing ductwork or ductless air handlers
- Compatibility with solar and hybrid heating systems
- Quiet outdoor operation, ideal for suburban neighborhoods
Heat Pump Repair and Tune-Up
When a heat pump fails to switch modes or struggles to reach the setpoint, HEP’s diagnostic process uncovers refrigerant imbalances, reversing valve malfunctions, and sensor inaccuracies. Prompt repair prevents secondary damage to compressors and electronics, preserving energy efficiency.
Indoor Air Quality Enhancements
Comfort isn’t only about temperature. Indoor air quality (IAQ) directly affects respiratory health, sleep, and overall well-being. HEP elevates IAQ through modern filtration, ventilation, and purification technologies.
Whole-Home Air Purifiers
Advanced media filters, electronic air cleaners, and UV-C germicidal lamps capture and neutralize:
- Pollen and dust mites
- Pet dander and unwanted odors
- Bacteria, mold spores, and viruses
- Volatile organic compounds (VOCs) emitted by household products
Humidity Control Strategies
Jonesborough’s climate can swing from humid summers to dry, heated indoor air during winter. HEP installs whole-house dehumidifiers and steam humidifiers that maintain ideal relative humidity between 40% and 60%, helping to:
- Preserve wooden flooring and furniture
- Reduce static electricity
- Prevent microbial growth in hidden spaces
- Enhance personal comfort and skin health
Energy-Efficient Upgrades
With rising energy costs, homeowners are turning to high-efficiency HVAC systems to cut monthly bills without sacrificing comfort. HEP guides clients through a range of upgrades that deliver measurable returns on investment.
High-SEER Air Conditioners
Seasonal Energy Efficiency Ratio (SEER) ratings indicate cooling efficiency. HEP provides units rated 16 SEER and above, which can lower energy consumption by up to 30% compared to older 10-SEER models. Features include:
- Variable-speed fan motors that match airflow to demand
- Scroll compressors for smoother, quieter operation
- Enhanced coil designs that maximize surface area for heat exchange
Smart Thermostat Integration
Programmable and Wi-Fi enabled thermostats give homeowners precise control over indoor conditions, whether they are in the living room or on vacation.
Key benefits:
- Learning algorithms that adapt schedules to occupancy patterns
- Energy-use reports that highlight savings opportunities
- Remote adjustments via smartphone apps
- Compatibility with voice assistants for hands-free operation
Ductwork Design and Sealing
Even the most advanced HVAC equipment cannot perform efficiently if conditioned air escapes through leaky or poorly designed ducts. HEP offers comprehensive duct services to ensure every Btu is delivered where it is needed.
Custom Duct Fabrication
Using sheet metal fabrication tools and advanced design software, HEP crafts duct systems that maintain balanced static pressure and uniform airflow. This strategy eliminates hot or cold spots and reduces blower workload.
Duct Cleaning and Sanitizing
Over time, dust, pet hair, and moisture can accumulate inside ducts, fostering microbial growth and redistributing allergens.
Cleaning protocol:
- High-powered vacuums fitted with HEPA filtration
- Rotary brush systems to dislodge stubborn debris
- Application of EPA-approved sanitizers that do not leave harmful residues
Emergency HVAC Response in Jonesborough
Severe thunderstorms, unexpected cold fronts, and sudden equipment failures can disrupt indoor comfort when it’s needed most. HEP deploys on-call teams throughout Jonesborough, ensuring that emergency repairs begin promptly after a distress call.
24-Hour Air Conditioning Repair
By maintaining a warehouse of common parts—capacitors, contactors, fan motors, and thermostats—HEP resolves many emergencies in a single visit regardless of time or day.
Preparedness for Extreme Weather
Before heat waves or winter storms strike, HEP encourages HVAC inspections focused on:
- Capacitor testing to prevent start-up failures
- Refrigerant level checks to avoid compressor damage
- Heat exchanger examinations to eliminate safety hazards
- Surge protector installation to shield electronics from voltage spikes
Why Homeowners in Jonesborough Prefer HEP for HVAC
Beyond technical expertise, HEP cultivates strong relationships with local residents. Clients trust the company’s professionals to treat each property with respect, communicate clearly, and stand behind their workmanship.
Licensed and Certified Technicians
Every specialist on the HEP roster carries state licensure along with certifications from organizations such as:
- North American Technician Excellence (NATE)
- Refrigeration Service Engineers Society (RSES)
- Air Conditioning Contractors of America (ACCA)
These credentials verify an in-depth understanding of HVAC principles, safety regulations, and manufacturer specifications.
Local Knowledge and Community Commitment
HEP’s familiarity with Jonesborough’s microclimates, building codes, and preferred construction materials allows technicians to recommend equipment and strategies that work best in the region. Their community commitment is further reflected in environmentally responsible disposal of old units and adherence to energy-efficiency standards.
Transparent Communication and Detailed Diagnostics
Before any repair or installation proceeds, HEP presents homeowners with clear findings backed by photos, performance charts, and infrared images. This transparency empowers property owners to make informed decisions regarding their HVAC investments.
Seasonal HVAC Considerations in Jonesborough
The transition seasons can be particularly challenging for HVAC systems that must alternate between heating and cooling modes. HEP helps clients navigate these fluctuations smoothly.
Spring and Summer Cooling Challenges
- Pollen build-up that clogs outdoor coils
- Rising humidity that stresses condensate drains
- Afternoon temperature spikes that cause short-cycling in undersized units
To mitigate these issues, HEP recommends early spring tune-ups, filter changes every 30–60 days during heavy usage, and shading the condenser where possible.
Fall and Winter Heating Requirements
- Drafts caused by aging weatherstripping around doors and windows
- Potential furnace cycling errors from clogged flame sensors
- Carbon monoxide risks related to cracked heat exchangers
HEP suggests autumn safety inspections covering combustion analysis, heat exchanger integrity tests, and thermostat recalibration.
Tips from HEP Pros for Extending System Life
Jonesborough homeowners can maximize HVAC longevity by following expert advice that complements professional service calls.
Keep the Outdoor Unit Clear
- Trim vegetation at least two feet away from the condenser
- Remove leaves, grass clippings, and debris after lawn maintenance
- Avoid stacking garden tools or hoses against the cabinet
Change Filters on Schedule
- Standard one-inch filters: replace every 30–60 days
- High-capacity pleated filters: replace every 90 days
- HEPA or media filters: inspect quarterly and swap as recommended by the manufacturer
Maintaining unobstructed airflow reduces blower strain and prevents coil freezing.
Monitor Energy Bills
A sudden rise in electricity usage—unrelated to rate changes or lifestyle adjustments—can point to hidden HVAC inefficiencies. HEP encourages monthly comparison of kilowatt-hour consumption and swift investigation of unexplained spikes.
Optimizing Thermostat Placement for Accurate Control
Correct thermostat placement enhances system performance and prevents energy waste. Even a well-calibrated device can deliver flawed readings if it sits in the wrong spot.
Common Placement Errors
- Mounting the thermostat in direct sunlight
- Positioning near heat-generating appliances such as televisions or lamps
- Installing on exterior walls subject to drafts or radiant heat
- Placing behind doors or furnishings that obstruct air circulation
Best Practices Recommended by HEP
- Select an interior wall roughly five feet above the floor for consistent readings
- Ensure the chosen location represents an average temperature zone, avoiding hallways with poor airflow
- Keep the thermostat away from supply vents to prevent false shutoffs caused by passing cool air
- Opt for models with remote sensors if the home features multiple climate zones or uneven heat distribution
Enhancing Attic Insulation to Support HVAC Efficiency
Proper insulation allows air conditioners and furnaces to operate at peak efficiency by reducing heat gain in summer and heat loss in winter.
Key Insulation Insights
- An R-value of R-38 to R-60 is typically recommended for attics in Northeast Tennessee
- Air sealing around plumbing penetrations, recessed lighting, and attic hatches prevents conditioned air from escaping
- HEP technicians can coordinate blower-door tests to quantify leakage and guide improvement strategies
- Adding radiant barriers reflects solar heat away from the living space, easing the burden on cooling equipment
Ductless Mini-Split Solutions for Unique Jonesborough Residences
Historic homes and additions without existing ductwork often benefit from ductless mini-split systems. These compact units deliver high-efficiency heating and cooling without the need for extensive renovation.
Advantages of Mini-Splits
- Individual indoor heads allow for personalized temperature zones, reducing energy waste in unoccupied rooms
- Variable-speed compressors provide whisper-quiet operation ideal for bedrooms and home offices
- Built-in filtration captures dust and allergens, improving IAQ in spaces previously served by window units
- Sleek, wall-mounted designs preserve the character of older structures while delivering modern comfort
Future-Focused Refrigerants and Sustainable HVAC Practices
The HVAC industry is transitioning toward lower-GWP (global warming potential) refrigerants that reduce environmental impact. HEP remains proactive by training technicians on emerging alternatives such as R-454B and R-32.
Sustainability Measures Embraced by HEP
- Adopting recovery and recycling protocols that prevent venting of legacy refrigerants into the atmosphere
- Selecting equipment designed for easy conversion to eco-friendly refrigerants, safeguarding long-term compatibility
- Recommending high-efficiency motors and ECM blowers that slash electrical consumption
- Promoting smart ventilation strategies that capitalize on natural temperature differentials, reducing mechanical run time
These forward-looking initiatives ensure that homeowners in Jonesborough enjoy dependable comfort today while supporting a cleaner environment for future generations.