Stoves, venting, and home systems explained

Class A Chimney Pipe: Identification and Planning
Learn how to identify Class A chimney pipe, distinguish it from stovepipe and B vent, and verify listing, clearance, supports, and termination.
By Gus Halloran · Sep 29, 2026Latest

Cost of a Gas Fireplace Insert and Installation
Plan a 2026 gas insert budget covering the appliance, listed venting, gas and electrical work, permits, chimney repairs and finish work.

Cost of a Gas Fireplace Insert Installed: 2026 Budget Guide
Budget a gas fireplace insert by appliance, venting, gas and electrical work, permits, chimney condition, accessories and finish work.

Rumford Fireplace: Design, Code and Conversion Checks
See how Rumford fireplace geometry, code exceptions, draft, materials and chimney condition determine whether a build or conversion will work.

See-Through Fireplace Planning Guide
Plan a see-through fireplace by fuel, listing, vent route, clearances, heat management, service access and what lies on each side.

EPA-Certified Wood-Burning Stoves: How to Verify and Choose One
Verify an EPA-certified wood stove by its permanent label and database record, then check sizing, safety listing, chimney requirements and local rules.

EPA-Certified Wood Stoves: Verify the Label
Learn to check a wood stove’s permanent label, exact EPA database record, matching manual, installation requirements, and current incentive status.
More articles

Chimney Flashing Sealant: What to Use for Each Joint
Match chimney flashing sealant to masonry, metal, asphalt shingles or a storm collar, and see when failed flashing needs rebuilding instead of caulk.

Cost to Replace a Fireplace Insert: Budget by Fuel Type
Estimate fireplace insert replacement cost by fuel, venting, removal, utilities and chimney condition—and compare complete quotes accurately.

B Vent Pipe: Uses, Clearance, Slope and Roof Height
Check B vent pipe compatibility, 1-inch clearance, 1/4-inch-per-foot slope, roof height, routing and termination limits before work begins.

Concentric Vent Kit: How to Choose the Right System
Match a concentric vent kit by checking manual approval, system type, diameters, vent length, termination requirements and included parts.

Gas Fireplace Inspection: Scope, Timing, and Stop Signs
Learn what a gas fireplace inspection should cover, when to stop using the unit, and why dedicated appliance service goes beyond a home inspection.

Vent Cap: Identify the Vent Before Choosing a Replacement
Identify a vent cap by appliance, pipe system, size and termination type before replacing it. Learn what to inspect and when to stop using the appliance.

Chimney Cleaning Tools: Build the Right Kit for the Flue
Choose chimney cleaning tools by flue material, dimensions, deposits and access—and know when damage, glaze or roof risk makes DIY unsafe.

What Does a Blocked Vent Look Like?
See what blocked combustion, HVAC and dryer vents look like, which operating clues matter, and when to stop checking and call for urgent help.

Chimney Chase Cover: How to Measure and Specify One
Identify chase-cover damage and specify the metal, drainage, skirt and penetrations without violating the chimney system’s listing.

Chimney Damper: Types, Safe Operation and Common Problems
Learn how throat, top-sealing and stove dampers differ, when a damper must stay open, and what to check when it sticks, leaks or causes smoke.

Chimney Mortar Repair: Repoint or Call a Professional?
Identify exterior, firebox, flue or crown damage; choose compatible mortar; and know when chimney repointing is unsafe or insufficient.

High-Wind Chimney Cap: When It May Stop Downdraft
Gust-specific smoke makes outlet turbulence plausible, not certain. Compare cap designs, then verify the appliance, flue and chimney-system listing.