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Air Sterilization
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The Importance of Furnace Filters
Carbon Monoxide Detector
Solving Special Problems
Attic Ventilator
Additional Return Air Runs
Kool Kap
Ceiling Saver Kit
Condensate Drainage
Hard Start Kit
Surge Suppressors
Protecting Your Compressor
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Menu
Home
Info
General Information
Selecting an HVAC Contractor
Interpreting the Sound Ratings of a Unit
How BTUs and EERs Work
Extended Warranty FAQs
Maintenance Checklist
Available Tax Credits
Heating & Cooling Systems
High Bills? Thinking to Replace?
Sizing Heating and Cooling Systems
Limitations When Replacing Existing Heating Systems
Keeping Your Equipment Tuned
Cooling Systems
Understanding Air Conditioning
A Not-so-Technical Explanation of How Air Conditioning Works
Types of Cooling Systems
Ductless: Advantages & Disadvantages
Sizing and Installation
Central Air Conditioner Definitions
Money & Energy Saving Air Conditioning Tips
Heating Systems
DOE Standards Increase Furnace Costs
Types of Heating Systems
When is it Time to Replace?
Why Good Furnaces Go Bad
Purchasing a New Heating System
Selecting Heating Fuel & System Types
Oil-Fired Boilers and Furnaces
Radiant Heating
Central Gas Furnace Terms & Definitions
Odor at Furnace Start Up?
Popular Misconceptions about Furnace Care & Safety
Home Heating Tips & Trivia
Lowering Home Heating Costs
Money & Energy Saving Furnace Tips
Heat Pumps
Heat Pumps: Efficient & Ecological
Advanced Features to Look for in a Heat Pump
Heat Pump Replacement Tips
Air-Source Heat Pumps
Geothermal Heat Pumps
What is Geothermal?
Geothermal Heat Pumps
Selecting & Installing Geothermal Heat Pump Systems
Dual Fuel Heat Pumps
Operating & Maintaining Your Heat Pump
Indoor Air Quality
Biological Pollutants in Your Home
Controlling Indoor Air Pollution
Combustion Appliances - Indoor Air Pollution
Asthma Causes & Triggers
Residential Air-Cleaning Devices - A Summary
Guide to Indoor Air Quality
System Support & Accessories
Ductwork & Insulation
How Insulation Works
Types of Insulation
R-Value of Insulation
Should You Have Your Ducts Cleaned?
Insulation
Duct Insulation
Duct Sealing
Air Distribution System Design
Use a Professional for Duct Improvements
Mini-Duct Air Distribution Systems
Designing a Zoning System Properly
Thermostats
Programmable Thermostats
Use & Care of Home Humidifiers
Dehumidifying Heat Pipes
Ventilation
Moisture Control
How to Read Residential Meters
Energy Efficiency
How to Read the EnergyGuide Label
Heat Pump Efficiency Tips
Cooling Equipment Efficiency Criteria
Energy Efficiency Ratings & Terms
New Furnace Can Reduce Heating Costs
Related Health & Safety Issues
Carbon Monoxide
Carbon Monoxide Q & A - Espanol
Carbon Monoxide Q & A
What Carbon Monoxide Detectors Will & Won't Do
Symptoms & Management of Carbon Monoxide Poisoning
Examples of Bad Heat Exchangers
Dryer Vents Can Cause Fires
Dryer Fire Facts
Dealing with Mold
Mold Resources
A Brief Guide to Mold, Moisture & Your Home
Flood Damage
Safety Tips for Flood Victims
Sample of Manufacturer Response to Flooded Equipment
Floods and HVACR Equipment: What You Need to Know
Space Heater Safety
Kerosene Heater Safety
Products
My Unit Needs to be Replaced
Brands We Service
Amana Products
Daikin Products
Carrier Products
Lennox Products
Weil-McLain Products
Bosch Products
Mitsubishi Ductless Products
Daikin Ductless Products
Services
Air Conditioning Service
Ductless Mini Split Service
Heat Pump Service
Heating Service
Boiler Service
Geothermal Service
Air Quality Service
First Call Club - Maintenance Benefits
Comfort Products
Whole House Humidifiers
Ductwork Modifications
Whole House Temperature Zoning
Programmable Thermostat
Air Quality Products
Air Sterilization
Duct Cleaning
High Efficiency Filters
The Importance of Furnace Filters
Carbon Monoxide Detector
Solving Special Problems
Attic Ventilator
Additional Return Air Runs
Kool Kap
Ceiling Saver Kit
Condensate Drainage
Hard Start Kit
Surge Suppressors
Protecting Your Compressor
Easy-to-See Thermostats
Light Commercial Systems
About
Reviews
Special Offers
Financing & Payment Options
Who We Are
What You Can Expect from Us
Our Guarantees
Shop Local
Privacy Policy
Contact
Phone, Hours & Location
Email Us
Request Quote or Service
Leave Us A Review
Career Opportunities
(919) 934-0153
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Call Pernell, Inc.
Office:
519 S. Brightleaf Blvd.
Smithfield, NC 27577
Phone:
(919) 934-0153
Hours:
M - F: 7AM - 7PM • 24 Emergency Service
EMAIL US
SCHEDULE SERVICE
Call Pernell, Inc.
Office:
519 S. Brightleaf Blvd.
PO Box 2200 Smithfield, NC 27577
Phone:
(919) 934-0153
Hours:
M - F: 7AM - 7PM • 24 Emergency Service
EMAIL US
SCHEDULE SERVICE
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