keyword

online furnace filters

Monthly search volume and cost-per-click data for "online furnace filters" in US.

$ curl "https://api.seodata.dev/v1/keyword?q=online+furnace+filters&country=us" +--------------+------------------+ | volume | 140 | | cpc | $9.25 | | competition | 0.39 | | country | US | | updated | 2026-06-15 | +--------------+------------------+

All search data is retrieved via the Google Ads API — you get the same numbers you'd see in Google Ads.

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword	volume	cpc	overlap
air filters	60,500	$6.27	16/20
furnace filters	40,500	$5.69	16/20
ac filters	33,100	$5.44	15/20
filter buy	22,200	$5.35	19/20
furnace filters replacement	22,200	$3.91	14/20
hvac filters online	260	$14.07	15/20
air filter online	210	$13.03	16/20
order air filters online	170	$16.98	16/20
ordering air filters online	170	$16.98	15/20
where to buy furnace filters online	30	$8.63	15/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://api.seodata.dev/v1/keyword?q=online+furnace+filters&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 500/month, $4.99/mo unlimited

Full API spec: llms.txt