Measure for full coverage, follow manufacturer and code clearance recommendations, size the exhaust (CFM) to your cooking needs, and pick a copper finish that matches your maintenance preference. Use proper ducting and professional installation for best performance.

Measure for fit: width, coverage, and clearance

A copper range hood should cover the entire cooking area. Choose a hood that is at least as wide as the cooktop or range. Measure the available cabinet and ceiling space before you buy. Also plan for the hood's depth so the capture area extends front to back over burners.

Check mounting clearances and local codes before finalizing a height. Manufacturer instructions and local building codes govern required clearances for safety.

Recommended mounting heights and why they matter

Mount the hood so the capture area sits close enough to the cooking surface to trap smoke and grease, but high enough to allow comfortable use of the cooktop. Gas ranges typically need a greater clearance than electric or induction models because of higher flame height and heat.

Typical guidance suggests ranges of mounting heights, but follow the hood maker's instructions for your model: for many installations the recommended distance is in the mid-20s to mid-30s inches above the cooktop, varying by fuel type and hood design . Always verify the required clearance for your appliance and the hood model.

Ventilation power: sizing the fan (CFM)

Choose exhaust capacity (CFM, cubic feet per minute) so the hood can effectively move cooking fumes out of the kitchen. A common rule-of-thumb is to allow about 100 CFM per linear foot of cooktop for standard cooking, then increase for high-BTU ranges, frequent frying, or commercial-style cooktops 1. For powerful professional ranges you may need several hundred to over a thousand CFM; match the hood and ducting to the fan rating.

Proper ducting improves performance: minimize long runs, turns, and small-diameter ducts. Duct diameter should match the fan and CFM rating; many residential hoods use 6-inch round ducts, but larger fans will need larger ducts 2. Have a qualified installer evaluate your duct run.

Copper finishes and maintenance

Decide whether you want natural copper that will patina over time, pre-patinated copper, or lacquered/sealed copper that preserves a bright finish. A natural patina forms through oxidation and acts as a protective layer; some owners like the aged look, while others prefer the low-maintenance sealed finish.

Routine cleaning: wipe with mild soap and water, then dry. Avoid abrasive pads and harsh acidic cleaners that can damage the finish. For lacquered copper, follow the manufacturer's care instructions; do not use polishes or abrasives that could strip the coating. For natural copper, specialized copper cleaners or a soft cloth can restore shine if desired.

Installation and long-term considerations

Copper hoods are heavier than stainless steel and often require reinforced mounting and professional installation. Confirm electrical and ventilation requirements before purchase. Balance the visual style with practical needs - size, CFM, ducting, and finish determine how well the hood performs and how much upkeep it will need.

If you're unsure about clearances, CFM calculations, or duct sizing for your specific cooktop and hood, consult the hood manufacturer or a licensed HVAC/installer to verify safe and effective installation 3.

  1. Confirm recommended mounting height ranges (in inches) for copper range hoods above electric/induction and gas cooktops per current manufacturer guidelines.
  2. Verify the CFM-per-linear-foot rule-of-thumb (commonly stated as ~100 CFM per foot) and recommended CFM ranges for high-BTU or professional-style residential ranges.
  3. Confirm typical residential duct diameters paired with common CFM ranges (e.g., when 6-inch is adequate versus when larger ducts are required).
  4. Check local building code references or manufacturer specs regarding required clearances for gas ranges and ventilation installations.

FAQs about Copper Range Hoods

Should a copper hood be wider than my cooktop?
Yes. The hood should be at least as wide as the cooktop and preferably slightly wider to ensure full coverage of the cooking surface and effective capture of fumes.
How high should I mount a copper range hood above the cooktop?
Mounting height depends on the hood model and fuel type. Typical guidance falls in the mid-20s to mid-30s inches above the cooktop, with gas ranges often requiring greater clearance. Always follow the hood manufacturer's recommendations and local codes .
How do I choose the right fan (CFM) for my hood?
A common rule-of-thumb is roughly 100 CFM per linear foot of cooktop for standard residential cooking, increasing for high-BTU or commercial-style ranges. Match fan capacity with appropriate ducting and consult a professional if unsure .
What's the difference between natural and lacquered copper finishes?
Natural copper will develop a patina over time that many find attractive and which provides some protection. Lacquered or sealed copper preserves a bright finish and typically requires less frequent maintenance.
Can I install a copper hood myself?
Copper hoods are often heavy and may require reinforced mounting, specific electrical connections, and proper ducting. Professional installation is recommended to meet safety and performance requirements.