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Mosquito Magnet Patriot Plus MM4200B vs Thermacell E90 Rechargeable Mosquito Repeller

Which is the better buy? Side-by-side on rating, price, strengths, and watch-outs — with the published ratings we averaged to get there.

The short answer

Thermacell E90 Rechargeable Mosquito Repeller comes out ahead by a clear margin (4.2 vs 4.6). The gap is mostly about Sitting on a patio or deck tonight with no setup time and no breeding-cycle wait — read the strengths below before deciding.

Mosquito Magnet Patriot Plus MM4200B
Ranked #3 in Best Mosquito Traps
Mosquito Magnet Patriot Plus MM4200B
$506

The Patriot Plus is the only consumer trap that uses real CO2 (from propane combustion) rather than a chemistry-mimicked surface, and that is why it kills meaningfully more biting insects than the DynaTrap in serious-infestation yards. Today's Homeowner and MosquitoReviews both report measurable population drops in 7-14 days and a steady-state reduction over the season. The price is the wedge $506 MSRP plus $25-30/month in propane and octenol refills is what keeps it niche but for a 1-acre lot in Florida or coastal South, it is the only trap that consistently delivers. Multi-season reliability is the recurring concern.

Strengths
  • — Real CO2 emission (from propane combustion) catches 10x more mosquitoes per night than UV-only traps in heavy-infestation yards
  • — 1-acre coverage with a 50-foot AC power cord allows positioning away from outlets
  • — Silent operation no fan whir, no zap, no light pollution at night
Watch-outs
  • — Propane tank ($15-20) plus octenol cartridge (~$12) every 21 days, roughly $25-30/month in refills
  • — Reliability issues commonly reported after 1-2 seasons in Home Depot and Today's Homeowner reviews
  • — $500+ upfront price puts it well above every other option in this lineup
$506 · Check Price on AmazonFull review →
Thermacell E90 Rechargeable Mosquito Repeller
Higher ratedRanked #2 in Best Mosquito Traps
Thermacell E90 Rechargeable Mosquito Repeller
$50

The Thermacell E90 is the only product in this lineup Wirecutter has called 'actually effective' in long-form testing, and it dominates the 'mosquito control for patios' SERP for a reason. Instead of trapping or killing, it warms a metofluthrin-treated puck that creates a 20-foot vapor zone that mosquitoes will not fly through. A 9-hour rechargeable battery covers full evenings, and the refill economics are friendlier than they look. The catch is that it does nothing about your population problem it is personal protection, not a control program, and a 5 mph breeze can hollow out the zone.

Strengths
  • — 9-hour rechargeable lithium-ion battery covers most patio evenings on a single charge
  • — 20-foot protection zone establishes in 5-15 minutes with no flame, no spray, and no scent
  • — Wirecutter's 2024 top pick for outdoor mosquito repellers, called 'effective' rather than 'better than nothing'
Watch-outs
  • — Repellent zone collapses in wind above ~5 mph, per multiple reviewer reports
  • — Does not kill mosquitoes or reduce the breeding population it just pushes them out of the protected zone
  • — Refill puck must be replaced every 12 hours of use, adding ongoing cost
$50 · Check Price on AmazonFull review →

How they stack up

Mosquito Magnet Patriot Plus MM4200B

Catches roughly 10x more mosquitoes per night than the DynaTrap DT2000XLPSR in heavy-infestation yards because it emits actual CO2 from propane combustion rather than just titanium-dioxide mimicry. More expensive upfront and ongoing than every other option here, but the only one that targets breeding females specifically. Slower than the Thermacell E90 to deliver protection for an evening but unlike the E90, it actually reduces the population over weeks of operation.

Thermacell E90 Rechargeable Mosquito Repeller

Unlike the DynaTrap DT2000XLPSR or Mosquito Magnet Patriot Plus, the E90 does not reduce the mosquito population it just pushes them out of a 20-foot vapor zone. That makes it the immediate-relief complement to the DynaTrap's slow population control, and the only pick here a Wirecutter-acknowledged 'best mosquito control' authority calls effective for actual evenings outside. Far quieter than the Flowtron BK-15D and far more pollinator-safe than any UV zapper, including the Katchy.

Specs side-by-side

SpecMosquito Magnet Patriot Plus MM4200BThermacell E90 Rechargeable Mosquito Repeller
Coverage Area1 acre20-foot protection zone (~315 sq ft)
Trap TypePropane combustion CO2 + octenol attractant + vacuum fanHeat-activated metofluthrin vapor zone (repeller, not trap)
Power SourceAC corded (50 ft cord) + 20 lb propane tankRechargeable lithium-ion battery
Attractant Refill RequiredOctenol cartridge + 20 lb propane every 21 days (~$25-30/month)12-hour metofluthrin puck (~$5, ~$1.50/night)
Catch Bag Capacity3x larger than original Patriot—
Warranty1-year limited1-year limited
TargetsMosquitoes, black flies, midges, no-see-ums—
Operating NoiseSilent (no fan whine, no zapper)—
Battery Life—9 hours per charge
Charge Time—~9 hours via USB-C
Weight—1.0 lb
← See the full ranking of best mosquito traps